[INFO] fetching crate alt 0.1.0...
[INFO] testing alt-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate alt 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate alt 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alt 0.1.0
[INFO] finished tweaking crates.io crate alt 0.1.0
[INFO] tweaked toml for crates.io crate alt 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate alt 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4518d600a52581aa478083ba98211b5f1ed5af35e3078525e2c24e4325aa625
[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" "e4518d600a52581aa478083ba98211b5f1ed5af35e3078525e2c24e4325aa625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4518d600a52581aa478083ba98211b5f1ed5af35e3078525e2c24e4325aa625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4518d600a52581aa478083ba98211b5f1ed5af35e3078525e2c24e4325aa625", kill_on_drop: false }`
[INFO] [stdout] e4518d600a52581aa478083ba98211b5f1ed5af35e3078525e2c24e4325aa625
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--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] 5a7e0a8326739813e9803c5f583e81469489643efcf8b83f4efa72303e119134
[INFO] running `Command { std: "docker" "start" "-a" "5a7e0a8326739813e9803c5f583e81469489643efcf8b83f4efa72303e119134", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.5
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling base64 v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling simplelog v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling pin-project-internal v0.4.20
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling thiserror v1.0.19
[INFO] [stderr]    Compiling pin-project v0.4.20
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling tmq v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling ron v0.6.0
[INFO] [stderr]    Compiling i3ipc-types v0.8.0
[INFO] [stderr]    Compiling tokio-i3ipc v0.8.0
[INFO] [stderr]    Compiling alt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.37s
[INFO] running `Command { std: "docker" "inspect" "5a7e0a8326739813e9803c5f583e81469489643efcf8b83f4efa72303e119134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7e0a8326739813e9803c5f583e81469489643efcf8b83f4efa72303e119134", kill_on_drop: false }`
[INFO] [stdout] 5a7e0a8326739813e9803c5f583e81469489643efcf8b83f4efa72303e119134
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa5a8e4d97ba453af24b6f35c08eb28bb8e283df4152590732e4820de56cf6e4
[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" "aa5a8e4d97ba453af24b6f35c08eb28bb8e283df4152590732e4820de56cf6e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling alt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "aa5a8e4d97ba453af24b6f35c08eb28bb8e283df4152590732e4820de56cf6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa5a8e4d97ba453af24b6f35c08eb28bb8e283df4152590732e4820de56cf6e4", kill_on_drop: false }`
[INFO] [stdout] aa5a8e4d97ba453af24b6f35c08eb28bb8e283df4152590732e4820de56cf6e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e396040ec7d0018acdb744e311b64859eb4d0181eb43289b6e37810763de3d90
[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" "e396040ec7d0018acdb744e311b64859eb4d0181eb43289b6e37810763de3d90", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/alt-c0eef563b931ccfc)
[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" "e396040ec7d0018acdb744e311b64859eb4d0181eb43289b6e37810763de3d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e396040ec7d0018acdb744e311b64859eb4d0181eb43289b6e37810763de3d90", kill_on_drop: false }`
[INFO] [stdout] e396040ec7d0018acdb744e311b64859eb4d0181eb43289b6e37810763de3d90