[INFO] fetching crate itc 0.1.2...
[INFO] testing itc-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate itc 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate itc 0.1.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate itc 0.1.2
[INFO] finished tweaking crates.io crate itc 0.1.2
[INFO] tweaked toml for crates.io crate itc 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c37248ae85f9f4fcd13f023c92dd2c42f3e2058496b6be948276faa1d95c296
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c37248ae85f9f4fcd13f023c92dd2c42f3e2058496b6be948276faa1d95c296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c37248ae85f9f4fcd13f023c92dd2c42f3e2058496b6be948276faa1d95c296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c37248ae85f9f4fcd13f023c92dd2c42f3e2058496b6be948276faa1d95c296", kill_on_drop: false }`
[INFO] [stdout] 7c37248ae85f9f4fcd13f023c92dd2c42f3e2058496b6be948276faa1d95c296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf059c33f2cc93aea4414c07fcaec5934a51b414a02c5c0af4b5d448461da83c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cf059c33f2cc93aea4414c07fcaec5934a51b414a02c5c0af4b5d448461da83c", kill_on_drop: false }`
[INFO] [stderr]    Compiling itc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 try!(Self::take_char(i, '('));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:74:28
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 let left = try!(Self::take_id_tree(i));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 try!(Self::take_char(i, ','));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:76:29
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 let right = try!(Self::take_id_tree(i));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 try!(Self::take_char(i, ')'));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 let n = try!(Self::take_number(i));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 try!(Self::take_char(i, '('));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 let n = try!(Self::take_number(i));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 try!(Self::take_char(i, ','));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:96:28
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 let left = try!(Self::take_event_tree(i));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 try!(Self::take_char(i, ','));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let right = try!(Self::take_event_tree(i));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 try!(Self::take_char(i, ')'));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 let n = try!(Self::take_number(i));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         try!(Self::take_char(p, '('));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let i = try!(Self::take_id_tree(p));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         try!(Self::take_char(p, ','));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let e = try!(Self::take_event_tree(p));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         try!(Self::take_char(p, ')'));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "cf059c33f2cc93aea4414c07fcaec5934a51b414a02c5c0af4b5d448461da83c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf059c33f2cc93aea4414c07fcaec5934a51b414a02c5c0af4b5d448461da83c", kill_on_drop: false }`
[INFO] [stdout] cf059c33f2cc93aea4414c07fcaec5934a51b414a02c5c0af4b5d448461da83c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71af97752312f587bc9509cbbdf5ff2578b7be3eda4023badaa0694ad5fd7340
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "71af97752312f587bc9509cbbdf5ff2578b7be3eda4023badaa0694ad5fd7340", kill_on_drop: false }`
[INFO] [stderr]    Compiling itc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 try!(Self::take_char(i, '('));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:74:28
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 let left = try!(Self::take_id_tree(i));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 try!(Self::take_char(i, ','));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:76:29
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 let right = try!(Self::take_id_tree(i));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 try!(Self::take_char(i, ')'));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 let n = try!(Self::take_number(i));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 try!(Self::take_char(i, '('));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 let n = try!(Self::take_number(i));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 try!(Self::take_char(i, ','));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:96:28
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 let left = try!(Self::take_event_tree(i));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 try!(Self::take_char(i, ','));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let right = try!(Self::take_event_tree(i));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 try!(Self::take_char(i, ')'));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 let n = try!(Self::take_number(i));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         try!(Self::take_char(p, '('));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let i = try!(Self::take_id_tree(p));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         try!(Self::take_char(p, ','));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let e = try!(Self::take_event_tree(p));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         try!(Self::take_char(p, ')'));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 try!(Self::take_char(i, '('));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:74:28
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 let left = try!(Self::take_id_tree(i));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 try!(Self::take_char(i, ','));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:76:29
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 let right = try!(Self::take_id_tree(i));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 try!(Self::take_char(i, ')'));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 let n = try!(Self::take_number(i));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 try!(Self::take_char(i, '('));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 let n = try!(Self::take_number(i));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 try!(Self::take_char(i, ','));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:96:28
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 let left = try!(Self::take_event_tree(i));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 try!(Self::take_char(i, ','));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let right = try!(Self::take_event_tree(i));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ascii_coding.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 try!(Self::take_char(i, ')'));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 let n = try!(Self::take_number(i));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         try!(Self::take_char(p, '('));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let i = try!(Self::take_id_tree(p));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         try!(Self::take_char(p, ','));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let e = try!(Self::take_event_tree(p));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ascii_coding.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         try!(Self::take_char(p, ')'));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "71af97752312f587bc9509cbbdf5ff2578b7be3eda4023badaa0694ad5fd7340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71af97752312f587bc9509cbbdf5ff2578b7be3eda4023badaa0694ad5fd7340", kill_on_drop: false }`
[INFO] [stdout] 71af97752312f587bc9509cbbdf5ff2578b7be3eda4023badaa0694ad5fd7340
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09155804a00fa7af703c8283820162076fa20bd1c0e0c03d8ec26cf38e857376
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "09155804a00fa7af703c8283820162076fa20bd1c0e0c03d8ec26cf38e857376", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 try!(Self::take_char(i, '('));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:74:28
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 let left = try!(Self::take_id_tree(i));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 try!(Self::take_char(i, ','));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:76:29
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 let right = try!(Self::take_id_tree(i));
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 try!(Self::take_char(i, ')'));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:84:25
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 let n = try!(Self::take_number(i));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 try!(Self::take_char(i, '('));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:94:25
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 let n = try!(Self::take_number(i));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 try!(Self::take_char(i, ','));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:96:28
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 let left = try!(Self::take_event_tree(i));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 try!(Self::take_char(i, ','));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:98:29
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 let right = try!(Self::take_event_tree(i));
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 try!(Self::take_char(i, ')'));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ascii_coding.rs:106:25
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 let n = try!(Self::take_number(i));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ascii_coding.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |         try!(Self::take_char(p, '('));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ascii_coding.rs:114:17
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let i = try!(Self::take_id_tree(p));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ascii_coding.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         try!(Self::take_char(p, ','));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ascii_coding.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let e = try!(Self::take_event_tree(p));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ascii_coding.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         try!(Self::take_char(p, ')'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 try!(Self::take_char(i, '('));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:74:28
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 let left = try!(Self::take_id_tree(i));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 try!(Self::take_char(i, ','));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:76:29
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 let right = try!(Self::take_id_tree(i));
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 try!(Self::take_char(i, ')'));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:84:25
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 let n = try!(Self::take_number(i));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 try!(Self::take_char(i, '('));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:94:25
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 let n = try!(Self::take_number(i));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 try!(Self::take_char(i, ','));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:96:28
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 let left = try!(Self::take_event_tree(i));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 try!(Self::take_char(i, ','));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:98:29
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 let right = try!(Self::take_event_tree(i));
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ascii_coding.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 try!(Self::take_char(i, ')'));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ascii_coding.rs:106:25
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 let n = try!(Self::take_number(i));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ascii_coding.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |         try!(Self::take_char(p, '('));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ascii_coding.rs:114:17
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let i = try!(Self::take_id_tree(p));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ascii_coding.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         try!(Self::take_char(p, ','));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ascii_coding.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let e = try!(Self::take_event_tree(p));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ascii_coding.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         try!(Self::take_char(p, ')'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/itc-fb6a7607d208a770
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test ascii_coding::tests::test_parser_event_tree_string_round_trip ... ok
[INFO] [stdout] test ascii_coding::tests::test_parser_take_number ... ok
[INFO] [stdout] test tests::example ... ok
[INFO] [stdout] test tests::norm_e_one ... ok
[INFO] [stdout] test tests::norm_id_0_0_is_0 ... ok
[INFO] [stdout] test tests::norm_e_two ... ok
[INFO] [stdout] test tests::norm_id_0_1_is_0_1 ... ok
[INFO] [stdout] test tests::norm_id_one_is_one ... ok
[INFO] [stdout] test tests::norm_id_zero_is_zero ... ok
[INFO] [stdout] test ascii_coding::tests::event_tree_display ... ok
[INFO] [stdout] test tests::norm_id_1_1_is_1 ... ok
[INFO] [stdout] test tests::split_test ... ok
[INFO] [stdout] test ascii_coding::tests::id_tree_display ... ok
[INFO] [stdout] test ascii_coding::tests::stamp_display ... ok
[INFO] [stdout] test tests::norm_id_1_1_1_is_1 ... ok
[INFO] [stdout] test ascii_coding::tests::test_parser_stamp_string_round_trip ... ok
[INFO] [stdout] test ascii_coding::tests::test_parser_take_id_tree ... ok
[INFO] [stdout] test ascii_coding::tests::test_parser_id_string_round_trip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests itc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "09155804a00fa7af703c8283820162076fa20bd1c0e0c03d8ec26cf38e857376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09155804a00fa7af703c8283820162076fa20bd1c0e0c03d8ec26cf38e857376", kill_on_drop: false }`
[INFO] [stdout] 09155804a00fa7af703c8283820162076fa20bd1c0e0c03d8ec26cf38e857376