[INFO] fetching crate tac 2.1.0...
[INFO] testing tac-2.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate tac 2.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate tac 2.1.0
[INFO] finished tweaking crates.io crate tac 2.1.0
[INFO] tweaked toml for crates.io crate tac 2.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tac 2.1.0 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 tac 2.1.0 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8739133af9b78522ce79623f7a965103c810e63817a98bf043bb3cd8aadbd59a
[INFO] running `Command { std: "docker" "start" "-a" "8739133af9b78522ce79623f7a965103c810e63817a98bf043bb3cd8aadbd59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8739133af9b78522ce79623f7a965103c810e63817a98bf043bb3cd8aadbd59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8739133af9b78522ce79623f7a965103c810e63817a98bf043bb3cd8aadbd59a", kill_on_drop: false }`
[INFO] [stdout] 8739133af9b78522ce79623f7a965103c810e63817a98bf043bb3cd8aadbd59a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4bd80f3ca197a02fe09b4e153a143ca4ef474d112bed114ce28c816962cb078b
[INFO] running `Command { std: "docker" "start" "-a" "4bd80f3ca197a02fe09b4e153a143ca4ef474d112bed114ce28c816962cb078b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling tac v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "4bd80f3ca197a02fe09b4e153a143ca4ef474d112bed114ce28c816962cb078b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd80f3ca197a02fe09b4e153a143ca4ef474d112bed114ce28c816962cb078b", kill_on_drop: false }`
[INFO] [stdout] 4bd80f3ca197a02fe09b4e153a143ca4ef474d112bed114ce28c816962cb078b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] db929b9621fcf43deae5ee34469894ceec2363c3088a3504aadd7be69e2a1296
[INFO] running `Command { std: "docker" "start" "-a" "db929b9621fcf43deae5ee34469894ceec2363c3088a3504aadd7be69e2a1296", kill_on_drop: false }`
[INFO] [stderr]    Compiling tac v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "db929b9621fcf43deae5ee34469894ceec2363c3088a3504aadd7be69e2a1296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db929b9621fcf43deae5ee34469894ceec2363c3088a3504aadd7be69e2a1296", kill_on_drop: false }`
[INFO] [stdout] db929b9621fcf43deae5ee34469894ceec2363c3088a3504aadd7be69e2a1296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 845eb8e4869252286c709d44ed9447aa9ed5faccfc15a839baa06996e709e701
[INFO] running `Command { std: "docker" "start" "-a" "845eb8e4869252286c709d44ed9447aa9ed5faccfc15a839baa06996e709e701", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tac-055001d372c43789)
[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" "845eb8e4869252286c709d44ed9447aa9ed5faccfc15a839baa06996e709e701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "845eb8e4869252286c709d44ed9447aa9ed5faccfc15a839baa06996e709e701", kill_on_drop: false }`
[INFO] [stdout] 845eb8e4869252286c709d44ed9447aa9ed5faccfc15a839baa06996e709e701