[INFO] fetching crate cdback 0.1.0...
[INFO] testing cdback-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate cdback 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate cdback 0.1.0
[INFO] finished tweaking crates.io crate cdback 0.1.0
[INFO] tweaked toml for crates.io crate cdback 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cdback 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cdback 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bbfdd9bcef7734cacbf2b5cb1a7006f56d6e657c7b06c6d75d8caceb631eab2
[INFO] running `Command { std: "docker" "start" "-a" "1bbfdd9bcef7734cacbf2b5cb1a7006f56d6e657c7b06c6d75d8caceb631eab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bbfdd9bcef7734cacbf2b5cb1a7006f56d6e657c7b06c6d75d8caceb631eab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bbfdd9bcef7734cacbf2b5cb1a7006f56d6e657c7b06c6d75d8caceb631eab2", kill_on_drop: false }`
[INFO] [stdout] 1bbfdd9bcef7734cacbf2b5cb1a7006f56d6e657c7b06c6d75d8caceb631eab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2924f8be71c3d7e1f49db0ea7e612cb608656e754d91bcf2daba2d7ec798b26
[INFO] running `Command { std: "docker" "start" "-a" "b2924f8be71c3d7e1f49db0ea7e612cb608656e754d91bcf2daba2d7ec798b26", kill_on_drop: false }`
[INFO] [stderr]    Compiling cdback v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "b2924f8be71c3d7e1f49db0ea7e612cb608656e754d91bcf2daba2d7ec798b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2924f8be71c3d7e1f49db0ea7e612cb608656e754d91bcf2daba2d7ec798b26", kill_on_drop: false }`
[INFO] [stdout] b2924f8be71c3d7e1f49db0ea7e612cb608656e754d91bcf2daba2d7ec798b26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bd6dae7675938d47a4fc2fd9a6cf269c80ba6709cff834db02e21e654e12e3b
[INFO] running `Command { std: "docker" "start" "-a" "0bd6dae7675938d47a4fc2fd9a6cf269c80ba6709cff834db02e21e654e12e3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cdback v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "0bd6dae7675938d47a4fc2fd9a6cf269c80ba6709cff834db02e21e654e12e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd6dae7675938d47a4fc2fd9a6cf269c80ba6709cff834db02e21e654e12e3b", kill_on_drop: false }`
[INFO] [stdout] 0bd6dae7675938d47a4fc2fd9a6cf269c80ba6709cff834db02e21e654e12e3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7d63fd21e451abfb108262ce0d5b1b70a9e951d4fb18413ffe8ec58b8807dcc
[INFO] running `Command { std: "docker" "start" "-a" "d7d63fd21e451abfb108262ce0d5b1b70a9e951d4fb18413ffe8ec58b8807dcc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cdback-a84857db432f3564)
[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" "d7d63fd21e451abfb108262ce0d5b1b70a9e951d4fb18413ffe8ec58b8807dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d63fd21e451abfb108262ce0d5b1b70a9e951d4fb18413ffe8ec58b8807dcc", kill_on_drop: false }`
[INFO] [stdout] d7d63fd21e451abfb108262ce0d5b1b70a9e951d4fb18413ffe8ec58b8807dcc