[INFO] cloning repository https://github.com/youhavethewrong/rex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/youhavethewrong/rex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouhavethewrong%2Frex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouhavethewrong%2Frex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d980ea7e9391005bc4c72cc9a94939ade65c30cf
[INFO] testing youhavethewrong/rex against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouhavethewrong%2Frex" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/youhavethewrong/rex on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/youhavethewrong/rex
[INFO] finished tweaking git repo https://github.com/youhavethewrong/rex
[INFO] tweaked toml for git repo https://github.com/youhavethewrong/rex written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/youhavethewrong/rex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11fe6a7a78408f44550280548c9ffbf1317e5f4db026ba8477ccd52304fdc2bc
[INFO] running `Command { std: "docker" "start" "-a" "11fe6a7a78408f44550280548c9ffbf1317e5f4db026ba8477ccd52304fdc2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11fe6a7a78408f44550280548c9ffbf1317e5f4db026ba8477ccd52304fdc2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11fe6a7a78408f44550280548c9ffbf1317e5f4db026ba8477ccd52304fdc2bc", kill_on_drop: false }`
[INFO] [stdout] 11fe6a7a78408f44550280548c9ffbf1317e5f4db026ba8477ccd52304fdc2bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a543bd893ddbb68aeeb844aa76a247a6e088f697d1cfb2b2d72ded39b945519
[INFO] running `Command { std: "docker" "start" "-a" "8a543bd893ddbb68aeeb844aa76a247a6e088f697d1cfb2b2d72ded39b945519", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling rex v0.1.0 (/opt/rustwide/workdir/rex)
[INFO] [stderr]    Compiling buildrec v0.1.0 (/opt/rustwide/workdir/buildrec)
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling viewrec v0.1.0 (/opt/rustwide/workdir/viewrec)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.38s
[INFO] running `Command { std: "docker" "inspect" "8a543bd893ddbb68aeeb844aa76a247a6e088f697d1cfb2b2d72ded39b945519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a543bd893ddbb68aeeb844aa76a247a6e088f697d1cfb2b2d72ded39b945519", kill_on_drop: false }`
[INFO] [stdout] 8a543bd893ddbb68aeeb844aa76a247a6e088f697d1cfb2b2d72ded39b945519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16a22d9bef1e38c7a252eaf2f6d6c5e671c500417bba453be21cc4cffd66b93f
[INFO] running `Command { std: "docker" "start" "-a" "16a22d9bef1e38c7a252eaf2f6d6c5e671c500417bba453be21cc4cffd66b93f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling buildrec v0.1.0 (/opt/rustwide/workdir/buildrec)
[INFO] [stderr]    Compiling rex v0.1.0 (/opt/rustwide/workdir/rex)
[INFO] [stderr]    Compiling viewrec v0.1.0 (/opt/rustwide/workdir/viewrec)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "16a22d9bef1e38c7a252eaf2f6d6c5e671c500417bba453be21cc4cffd66b93f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a22d9bef1e38c7a252eaf2f6d6c5e671c500417bba453be21cc4cffd66b93f", kill_on_drop: false }`
[INFO] [stdout] 16a22d9bef1e38c7a252eaf2f6d6c5e671c500417bba453be21cc4cffd66b93f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0472af2442fa8b59732082dbd1071401077e11366c32391c0914b8a712fbd059
[INFO] running `Command { std: "docker" "start" "-a" "0472af2442fa8b59732082dbd1071401077e11366c32391c0914b8a712fbd059", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/buildrec-a41bc0307e407b12)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rex-90261589195346ce)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/viewrec-ad480687c19b689e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::empty_format_content_yields_empty_format ... ok
[INFO] [stdout] test tests::simple_format ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rex
[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] [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" "0472af2442fa8b59732082dbd1071401077e11366c32391c0914b8a712fbd059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0472af2442fa8b59732082dbd1071401077e11366c32391c0914b8a712fbd059", kill_on_drop: false }`
[INFO] [stdout] 0472af2442fa8b59732082dbd1071401077e11366c32391c0914b8a712fbd059