[INFO] fetching crate ech 0.0.3...
[INFO] testing ech-0.0.3 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate ech 0.0.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ech 0.0.3 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 crates.io crate ech 0.0.3
[INFO] finished tweaking crates.io crate ech 0.0.3
[INFO] tweaked toml for crates.io crate ech 0.0.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate ech 0.0.3 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] f56a54822843150559c080aa0ce29b05aceba4966b87789ef474bac935aab074
[INFO] running `Command { std: "docker" "start" "-a" "f56a54822843150559c080aa0ce29b05aceba4966b87789ef474bac935aab074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f56a54822843150559c080aa0ce29b05aceba4966b87789ef474bac935aab074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f56a54822843150559c080aa0ce29b05aceba4966b87789ef474bac935aab074", kill_on_drop: false }`
[INFO] [stdout] f56a54822843150559c080aa0ce29b05aceba4966b87789ef474bac935aab074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 74597319e6e83ae8347aef533cbcf59343f74f8cae12e00321bcb23b4dd11075
[INFO] running `Command { std: "docker" "start" "-a" "74597319e6e83ae8347aef533cbcf59343f74f8cae12e00321bcb23b4dd11075", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ech v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "74597319e6e83ae8347aef533cbcf59343f74f8cae12e00321bcb23b4dd11075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74597319e6e83ae8347aef533cbcf59343f74f8cae12e00321bcb23b4dd11075", kill_on_drop: false }`
[INFO] [stdout] 74597319e6e83ae8347aef533cbcf59343f74f8cae12e00321bcb23b4dd11075
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] c1e2d6df6bb6124fc2c3440d7fa9482bd0f02d4183c8add3f3feef9fb95efddf
[INFO] running `Command { std: "docker" "start" "-a" "c1e2d6df6bb6124fc2c3440d7fa9482bd0f02d4183c8add3f3feef9fb95efddf", kill_on_drop: false }`
[INFO] [stderr]    Compiling ech v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "c1e2d6df6bb6124fc2c3440d7fa9482bd0f02d4183c8add3f3feef9fb95efddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e2d6df6bb6124fc2c3440d7fa9482bd0f02d4183c8add3f3feef9fb95efddf", kill_on_drop: false }`
[INFO] [stdout] c1e2d6df6bb6124fc2c3440d7fa9482bd0f02d4183c8add3f3feef9fb95efddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 0ccf980843f32ed5d60f35271de17602bebe1f90bee698f512fefacb11b8247a
[INFO] running `Command { std: "docker" "start" "-a" "0ccf980843f32ed5d60f35271de17602bebe1f90bee698f512fefacb11b8247a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ech-c2510391f37fb87d)
[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" "0ccf980843f32ed5d60f35271de17602bebe1f90bee698f512fefacb11b8247a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ccf980843f32ed5d60f35271de17602bebe1f90bee698f512fefacb11b8247a", kill_on_drop: false }`
[INFO] [stdout] 0ccf980843f32ed5d60f35271de17602bebe1f90bee698f512fefacb11b8247a