[INFO] cloning repository https://github.com/matklad/thrench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matklad/thrench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fthrench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fthrench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2bdf941a5f1d0863ab28522e1fe0e303ba20cd5
[INFO] testing matklad/thrench against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fthrench" "/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/matklad/thrench on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matklad/thrench
[INFO] finished tweaking git repo https://github.com/matklad/thrench
[INFO] tweaked toml for git repo https://github.com/matklad/thrench written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/matklad/thrench already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term_size v0.2.2
[INFO] [stderr]   Downloaded futures v0.1.10
[INFO] [stderr]   Downloaded clap v2.20.4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48159e9f6e1dd9fd7b428fdc439f16f391d551ba39bfe16765f362f794e66b56
[INFO] running `Command { std: "docker" "start" "-a" "48159e9f6e1dd9fd7b428fdc439f16f391d551ba39bfe16765f362f794e66b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48159e9f6e1dd9fd7b428fdc439f16f391d551ba39bfe16765f362f794e66b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48159e9f6e1dd9fd7b428fdc439f16f391d551ba39bfe16765f362f794e66b56", kill_on_drop: false }`
[INFO] [stdout] 48159e9f6e1dd9fd7b428fdc439f16f391d551ba39bfe16765f362f794e66b56
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42c91c25942905659d9812f672a094b11d70e3e21b8baeb5e1a4060bbdb74047
[INFO] running `Command { std: "docker" "start" "-a" "42c91c25942905659d9812f672a094b11d70e3e21b8baeb5e1a4060bbdb74047", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling futures v0.1.10
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling term_size v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling clap v2.20.4
[INFO] [stderr]    Compiling mio v0.6.4
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling tokio-core v0.1.4
[INFO] [stderr]    Compiling tokio-proto v0.1.0
[INFO] [stderr]    Compiling thrench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/bin/fut.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.67s
[INFO] running `Command { std: "docker" "inspect" "42c91c25942905659d9812f672a094b11d70e3e21b8baeb5e1a4060bbdb74047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c91c25942905659d9812f672a094b11d70e3e21b8baeb5e1a4060bbdb74047", kill_on_drop: false }`
[INFO] [stdout] 42c91c25942905659d9812f672a094b11d70e3e21b8baeb5e1a4060bbdb74047
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3f1a213ec3f1efd3b229a0c8dd7e75e3e73d8d93ddf9c978230f3c0bdb6e65a
[INFO] running `Command { std: "docker" "start" "-a" "e3f1a213ec3f1efd3b229a0c8dd7e75e3e73d8d93ddf9c978230f3c0bdb6e65a", kill_on_drop: false }`
[INFO] [stderr]    Compiling thrench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/bin/fut.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "e3f1a213ec3f1efd3b229a0c8dd7e75e3e73d8d93ddf9c978230f3c0bdb6e65a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f1a213ec3f1efd3b229a0c8dd7e75e3e73d8d93ddf9c978230f3c0bdb6e65a", kill_on_drop: false }`
[INFO] [stdout] e3f1a213ec3f1efd3b229a0c8dd7e75e3e73d8d93ddf9c978230f3c0bdb6e65a
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cdee0734e01ce6e934e081a985b7518c4521ddb0f3ea178d1841312b027c646e
[INFO] running `Command { std: "docker" "start" "-a" "cdee0734e01ce6e934e081a985b7518c4521ddb0f3ea178d1841312b027c646e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/bin/fut.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `thrench` (bin "fut" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/thrench-13f0b680764a8947)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bench-a929a1071cabddd4)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fut-171485d5dd6991e6)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/threads-2eee0fdbcdcefef8)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests thrench
[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] [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" "cdee0734e01ce6e934e081a985b7518c4521ddb0f3ea178d1841312b027c646e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdee0734e01ce6e934e081a985b7518c4521ddb0f3ea178d1841312b027c646e", kill_on_drop: false }`
[INFO] [stdout] cdee0734e01ce6e934e081a985b7518c4521ddb0f3ea178d1841312b027c646e