[INFO] fetching crate colorchoice 1.0.4...
[INFO] testing colorchoice-1.0.4 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate colorchoice 1.0.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate colorchoice 1.0.4
[INFO] finished tweaking crates.io crate colorchoice 1.0.4
[INFO] tweaked toml for crates.io crate colorchoice 1.0.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate colorchoice 1.0.4 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 colorchoice 1.0.4 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e3bc3c7730907ace544740a6cbcd01c99e3d82c4d1b15c1c3b8fbe72f10bbd24
[INFO] running `Command { std: "docker" "start" "-a" "e3bc3c7730907ace544740a6cbcd01c99e3d82c4d1b15c1c3b8fbe72f10bbd24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3bc3c7730907ace544740a6cbcd01c99e3d82c4d1b15c1c3b8fbe72f10bbd24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3bc3c7730907ace544740a6cbcd01c99e3d82c4d1b15c1c3b8fbe72f10bbd24", kill_on_drop: false }`
[INFO] [stdout] e3bc3c7730907ace544740a6cbcd01c99e3d82c4d1b15c1c3b8fbe72f10bbd24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 43ebf693311f6d83a02c309ce4801fe1b1162cef857c2b042d9994b7826f739c
[INFO] running `Command { std: "docker" "start" "-a" "43ebf693311f6d83a02c309ce4801fe1b1162cef857c2b042d9994b7826f739c", kill_on_drop: false }`
[INFO] [stderr]    Compiling colorchoice v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "43ebf693311f6d83a02c309ce4801fe1b1162cef857c2b042d9994b7826f739c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ebf693311f6d83a02c309ce4801fe1b1162cef857c2b042d9994b7826f739c", kill_on_drop: false }`
[INFO] [stdout] 43ebf693311f6d83a02c309ce4801fe1b1162cef857c2b042d9994b7826f739c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 698b635457aa2b59ba17fa0e680fe385b161e1fe61819c0336392bcae08d4a53
[INFO] running `Command { std: "docker" "start" "-a" "698b635457aa2b59ba17fa0e680fe385b161e1fe61819c0336392bcae08d4a53", kill_on_drop: false }`
[INFO] [stderr]    Compiling colorchoice v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "698b635457aa2b59ba17fa0e680fe385b161e1fe61819c0336392bcae08d4a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "698b635457aa2b59ba17fa0e680fe385b161e1fe61819c0336392bcae08d4a53", kill_on_drop: false }`
[INFO] [stdout] 698b635457aa2b59ba17fa0e680fe385b161e1fe61819c0336392bcae08d4a53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 79a3ad3d411a73afa8fb17a70f828917f72721c7fb50ead799971a5f0a646f49
[INFO] running `Command { std: "docker" "start" "-a" "79a3ad3d411a73afa8fb17a70f828917f72721c7fb50ead799971a5f0a646f49", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/colorchoice-22f7c0015ef2f694)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::choice_serialization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests colorchoice
[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" "79a3ad3d411a73afa8fb17a70f828917f72721c7fb50ead799971a5f0a646f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a3ad3d411a73afa8fb17a70f828917f72721c7fb50ead799971a5f0a646f49", kill_on_drop: false }`
[INFO] [stdout] 79a3ad3d411a73afa8fb17a70f828917f72721c7fb50ead799971a5f0a646f49