[INFO] cloning repository https://github.com/ra-kete/brainrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ra-kete/brainrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fra-kete%2Fbrainrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fra-kete%2Fbrainrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 131f584790990b3b42541e2b4321254f837a1503
[INFO] testing ra-kete/brainrust against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fra-kete%2Fbrainrust" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ra-kete/brainrust on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ra-kete/brainrust
[INFO] finished tweaking git repo https://github.com/ra-kete/brainrust
[INFO] tweaked toml for git repo https://github.com/ra-kete/brainrust written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/ra-kete/brainrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9393f14c8a2192b0b2b8b762286c918567e61ef8552aa05bb6a79adb5b81ab7a
[INFO] running `Command { std: "docker" "start" "-a" "9393f14c8a2192b0b2b8b762286c918567e61ef8552aa05bb6a79adb5b81ab7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9393f14c8a2192b0b2b8b762286c918567e61ef8552aa05bb6a79adb5b81ab7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9393f14c8a2192b0b2b8b762286c918567e61ef8552aa05bb6a79adb5b81ab7a", kill_on_drop: false }`
[INFO] [stdout] 9393f14c8a2192b0b2b8b762286c918567e61ef8552aa05bb6a79adb5b81ab7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74b34ec951b5dd0cc2423f5d9b264daae7c915f05fd95e199d494c707d8f7a4b
[INFO] running `Command { std: "docker" "start" "-a" "74b34ec951b5dd0cc2423f5d9b264daae7c915f05fd95e199d494c707d8f7a4b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.14
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling strsim v0.4.1
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling ansi_term v0.7.5
[INFO] [stderr]    Compiling term_size v0.1.0
[INFO] [stderr]    Compiling clap v2.9.3
[INFO] [stderr]    Compiling brainrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let file = try!(File::open(filename));
[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:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let byte = try!(b);
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.62s
[INFO] running `Command { std: "docker" "inspect" "74b34ec951b5dd0cc2423f5d9b264daae7c915f05fd95e199d494c707d8f7a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b34ec951b5dd0cc2423f5d9b264daae7c915f05fd95e199d494c707d8f7a4b", kill_on_drop: false }`
[INFO] [stdout] 74b34ec951b5dd0cc2423f5d9b264daae7c915f05fd95e199d494c707d8f7a4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b7a7d3f0680417868d27eb5e43e7ce282619212dd81e8df369edee30d761784
[INFO] running `Command { std: "docker" "start" "-a" "1b7a7d3f0680417868d27eb5e43e7ce282619212dd81e8df369edee30d761784", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling brainrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let file = try!(File::open(filename));
[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:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let byte = try!(b);
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "1b7a7d3f0680417868d27eb5e43e7ce282619212dd81e8df369edee30d761784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7a7d3f0680417868d27eb5e43e7ce282619212dd81e8df369edee30d761784", kill_on_drop: false }`
[INFO] [stdout] 1b7a7d3f0680417868d27eb5e43e7ce282619212dd81e8df369edee30d761784
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eebed8e404f1c32b68ef1a4afd83fef800a0ab6cd41fcf29219644dc0f925dcf
[INFO] running `Command { std: "docker" "start" "-a" "eebed8e404f1c32b68ef1a4afd83fef800a0ab6cd41fcf29219644dc0f925dcf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:51:16
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let file = try!(File::open(filename));
[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:56:20
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let byte = try!(b);
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `brainrust` (bin "brainrust" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.76s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/brainrust-df2897318e46965d)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eebed8e404f1c32b68ef1a4afd83fef800a0ab6cd41fcf29219644dc0f925dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eebed8e404f1c32b68ef1a4afd83fef800a0ab6cd41fcf29219644dc0f925dcf", kill_on_drop: false }`
[INFO] [stdout] eebed8e404f1c32b68ef1a4afd83fef800a0ab6cd41fcf29219644dc0f925dcf