[INFO] cloning repository https://github.com/losvedir/rust-zoo-calc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/losvedir/rust-zoo-calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flosvedir%2Frust-zoo-calc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flosvedir%2Frust-zoo-calc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1b30292d0c0f3803db5ea2ed7b5befe57b27a64
[INFO] testing losvedir/rust-zoo-calc against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flosvedir%2Frust-zoo-calc" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/losvedir/rust-zoo-calc on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/losvedir/rust-zoo-calc
[INFO] finished tweaking git repo https://github.com/losvedir/rust-zoo-calc
[INFO] tweaked toml for git repo https://github.com/losvedir/rust-zoo-calc written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/losvedir/rust-zoo-calc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16c54b0d55b97d64ba8efe5552827031109703eefc48a2b0087465e2dbbd0537
[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" "16c54b0d55b97d64ba8efe5552827031109703eefc48a2b0087465e2dbbd0537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16c54b0d55b97d64ba8efe5552827031109703eefc48a2b0087465e2dbbd0537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c54b0d55b97d64ba8efe5552827031109703eefc48a2b0087465e2dbbd0537", kill_on_drop: false }`
[INFO] [stdout] 16c54b0d55b97d64ba8efe5552827031109703eefc48a2b0087465e2dbbd0537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e047bcd734bb70c2769d4e952b3a3fe634d1e6e53114dc441eefdce1163500c7
[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" "e047bcd734bb70c2769d4e952b3a3fe634d1e6e53114dc441eefdce1163500c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-zoo-calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:121:15
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let lhs = try!(parse_primary(toks, current_token));
[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/main.rs:126:15
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:137:19
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:145:34
[INFO] [stdout]     |
[INFO] [stdout] 145 |             let mut right_expr = try!(parse_primary(toks, current_token));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:150:27
[INFO] [stdout]     |
[INFO] [stdout] 150 |             let next_op = try!(get_token(toks, current_token));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:153:30
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 right_expr = try!(parse_binary_ops_rhs(toks, current_token, expr_precedence + 1, right_expr))
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:173:15
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:187:16
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let expr = try!(parse_expr(toks, current_token));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:189:15
[INFO] [stdout]     |
[INFO] [stdout] 189 |     let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:202:15
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "e047bcd734bb70c2769d4e952b3a3fe634d1e6e53114dc441eefdce1163500c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e047bcd734bb70c2769d4e952b3a3fe634d1e6e53114dc441eefdce1163500c7", kill_on_drop: false }`
[INFO] [stdout] e047bcd734bb70c2769d4e952b3a3fe634d1e6e53114dc441eefdce1163500c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7fa939e279dd50840c1449ec028d04b6b3fef9ab526438888deb89186bb46a23
[INFO] running `Command { std: "docker" "start" "-a" "7fa939e279dd50840c1449ec028d04b6b3fef9ab526438888deb89186bb46a23", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-zoo-calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:121:15
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let lhs = try!(parse_primary(toks, current_token));
[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/main.rs:126:15
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:137:19
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:145:34
[INFO] [stdout]     |
[INFO] [stdout] 145 |             let mut right_expr = try!(parse_primary(toks, current_token));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:150:27
[INFO] [stdout]     |
[INFO] [stdout] 150 |             let next_op = try!(get_token(toks, current_token));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:153:30
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 right_expr = try!(parse_binary_ops_rhs(toks, current_token, expr_precedence + 1, right_expr))
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:173:15
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:187:16
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let expr = try!(parse_expr(toks, current_token));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:189:15
[INFO] [stdout]     |
[INFO] [stdout] 189 |     let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:202:15
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let tok = try!(get_token(toks, current_token));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "7fa939e279dd50840c1449ec028d04b6b3fef9ab526438888deb89186bb46a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fa939e279dd50840c1449ec028d04b6b3fef9ab526438888deb89186bb46a23", kill_on_drop: false }`
[INFO] [stdout] 7fa939e279dd50840c1449ec028d04b6b3fef9ab526438888deb89186bb46a23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c1ff36445a8960e457ffd77a00fd5b8cae6e5dd52831cbbb7dca0ba01522284
[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" "3c1ff36445a8960e457ffd77a00fd5b8cae6e5dd52831cbbb7dca0ba01522284", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:121:15
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let lhs = try!(parse_primary(toks, current_token));
[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/main.rs:126:15
[INFO] [stderr]     |
[INFO] [stderr] 126 |     let tok = try!(get_token(toks, current_token));
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:137:19
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let tok = try!(get_token(toks, current_token));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:145:34
[INFO] [stderr]     |
[INFO] [stderr] 145 |             let mut right_expr = try!(parse_primary(toks, current_token));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:150:27
[INFO] [stderr]     |
[INFO] [stderr] 150 |             let next_op = try!(get_token(toks, current_token));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:153:30
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 right_expr = try!(parse_binary_ops_rhs(toks, current_token, expr_precedence + 1, right_expr))
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:173:15
[INFO] [stderr]     |
[INFO] [stderr] 173 |     let tok = try!(get_token(toks, current_token));
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:187:16
[INFO] [stderr]     |
[INFO] [stderr] 187 |     let expr = try!(parse_expr(toks, current_token));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:189:15
[INFO] [stderr]     |
[INFO] [stderr] 189 |     let tok = try!(get_token(toks, current_token));
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:202:15
[INFO] [stderr]     |
[INFO] [stderr] 202 |     let tok = try!(get_token(toks, current_token));
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_zoo_calc-7eb09503a66d95c2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3c1ff36445a8960e457ffd77a00fd5b8cae6e5dd52831cbbb7dca0ba01522284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1ff36445a8960e457ffd77a00fd5b8cae6e5dd52831cbbb7dca0ba01522284", kill_on_drop: false }`
[INFO] [stdout] 3c1ff36445a8960e457ffd77a00fd5b8cae6e5dd52831cbbb7dca0ba01522284