[INFO] fetching crate fahrenheit 4.5.4...
[INFO] testing fahrenheit-4.5.4 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate fahrenheit 4.5.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fahrenheit 4.5.4 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fahrenheit 4.5.4
[INFO] finished tweaking crates.io crate fahrenheit 4.5.4
[INFO] tweaked toml for crates.io crate fahrenheit 4.5.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate fahrenheit 4.5.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.5
[INFO] [stderr]   Downloaded syn v1.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcd10309d005e1f7136b35f7b32e0251258ed8dcaa4cac190f876e5e7baa05cb
[INFO] running `Command { std: "docker" "start" "-a" "dcd10309d005e1f7136b35f7b32e0251258ed8dcaa4cac190f876e5e7baa05cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcd10309d005e1f7136b35f7b32e0251258ed8dcaa4cac190f876e5e7baa05cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd10309d005e1f7136b35f7b32e0251258ed8dcaa4cac190f876e5e7baa05cb", kill_on_drop: false }`
[INFO] [stdout] dcd10309d005e1f7136b35f7b32e0251258ed8dcaa4cac190f876e5e7baa05cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2915f4d56f46c2d8a3cd5157e2a866c6a197b445958312719dca22581d41c34
[INFO] running `Command { std: "docker" "start" "-a" "e2915f4d56f46c2d8a3cd5157e2a866c6a197b445958312719dca22581d41c34", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling fahrenheit v4.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.81s
[INFO] running `Command { std: "docker" "inspect" "e2915f4d56f46c2d8a3cd5157e2a866c6a197b445958312719dca22581d41c34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2915f4d56f46c2d8a3cd5157e2a866c6a197b445958312719dca22581d41c34", kill_on_drop: false }`
[INFO] [stdout] e2915f4d56f46c2d8a3cd5157e2a866c6a197b445958312719dca22581d41c34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7f69986ea1ca41dd3df82707d013253e09c90c7b194c0a31268513ba29b750a
[INFO] running `Command { std: "docker" "start" "-a" "d7f69986ea1ca41dd3df82707d013253e09c90c7b194c0a31268513ba29b750a", kill_on_drop: false }`
[INFO] [stderr]    Compiling fahrenheit v4.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "d7f69986ea1ca41dd3df82707d013253e09c90c7b194c0a31268513ba29b750a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f69986ea1ca41dd3df82707d013253e09c90c7b194c0a31268513ba29b750a", kill_on_drop: false }`
[INFO] [stdout] d7f69986ea1ca41dd3df82707d013253e09c90c7b194c0a31268513ba29b750a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d03f1ba125fdebe9a1d00139baadb71df32352256548396f945f1b6998d1c61d
[INFO] running `Command { std: "docker" "start" "-a" "d03f1ba125fdebe9a1d00139baadb71df32352256548396f945f1b6998d1c61d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fahrenheit-d71564a28424868a)
[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] [stderr]    Doc-tests fahrenheit
[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" "d03f1ba125fdebe9a1d00139baadb71df32352256548396f945f1b6998d1c61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d03f1ba125fdebe9a1d00139baadb71df32352256548396f945f1b6998d1c61d", kill_on_drop: false }`
[INFO] [stdout] d03f1ba125fdebe9a1d00139baadb71df32352256548396f945f1b6998d1c61d