[INFO] cloning repository https://github.com/while-maybe/rust_cli_calendar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/while-maybe/rust_cli_calendar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhile-maybe%2Frust_cli_calendar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhile-maybe%2Frust_cli_calendar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2db3537f4c4cf5d151daed35835acb3a6725e0b1
[INFO] checking while-maybe/rust_cli_calendar/2db3537f4c4cf5d151daed35835acb3a6725e0b1 against master#49b6ac01d6f4c3da812039ae846407a20961aa4c for pr-154887
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhile-maybe%2Frust_cli_calendar" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/while-maybe/rust_cli_calendar
[INFO] finished tweaking git repo https://github.com/while-maybe/rust_cli_calendar
[INFO] tweaked toml for git repo https://github.com/while-maybe/rust_cli_calendar written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/while-maybe/rust_cli_calendar on toolchain 49b6ac01d6f4c3da812039ae846407a20961aa4c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/while-maybe/rust_cli_calendar 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" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_cmd v2.0.14
[INFO] [stderr]   Downloaded unicode-width v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c07224f493193f7966458f8fb6e4a4640996959685a028846f9761a0173312a7
[INFO] running `Command { std: "docker" "start" "-a" "c07224f493193f7966458f8fb6e4a4640996959685a028846f9761a0173312a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c07224f493193f7966458f8fb6e4a4640996959685a028846f9761a0173312a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c07224f493193f7966458f8fb6e4a4640996959685a028846f9761a0173312a7", kill_on_drop: false }`
[INFO] [stdout] c07224f493193f7966458f8fb6e4a4640996959685a028846f9761a0173312a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8c0a52f4318f2dafe6553e4e2f8106235cd402309d965cdeba76ffabde18a1a
[INFO] running `Command { std: "docker" "start" "-a" "f8c0a52f4318f2dafe6553e4e2f8106235cd402309d965cdeba76ffabde18a1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking unicode-width v0.1.12
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]    Compiling assert_cmd v2.0.14
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking predicates v3.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking calr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "f8c0a52f4318f2dafe6553e4e2f8106235cd402309d965cdeba76ffabde18a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c0a52f4318f2dafe6553e4e2f8106235cd402309d965cdeba76ffabde18a1a", kill_on_drop: false }`
[INFO] [stdout] f8c0a52f4318f2dafe6553e4e2f8106235cd402309d965cdeba76ffabde18a1a