[INFO] cloning repository https://github.com/Octorine/countdown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Octorine/countdown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOctorine%2Fcountdown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOctorine%2Fcountdown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 058c1fda9121480814661b7053d9bf0eadadad57
[INFO] checking Octorine/countdown against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOctorine%2Fcountdown" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Octorine/countdown on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Octorine/countdown
[INFO] finished tweaking git repo https://github.com/Octorine/countdown
[INFO] tweaked toml for git repo https://github.com/Octorine/countdown written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Octorine/countdown 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.49
[INFO] [stderr]   Downloaded memoffset v0.5.4
[INFO] [stderr]   Downloaded oorandom v11.1.0
[INFO] [stderr]   Downloaded serde_derive v1.0.105
[INFO] [stderr]   Downloaded rayon-core v1.7.0
[INFO] [stderr]   Downloaded serde v1.0.105
[INFO] [stderr]   Downloaded rayon v1.3.0
[INFO] [stderr]   Downloaded ryu v1.0.3
[INFO] [stderr]   Downloaded bumpalo v3.2.1
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.1
[INFO] [stderr]   Downloaded syn v1.0.17
[INFO] [stderr]   Downloaded libc v0.2.68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1829fb4a096046cb4b152588e56df15670cbbb37c839fd28ce2672c26a8fa12
[INFO] running `Command { std: "docker" "start" "-a" "c1829fb4a096046cb4b152588e56df15670cbbb37c839fd28ce2672c26a8fa12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1829fb4a096046cb4b152588e56df15670cbbb37c839fd28ce2672c26a8fa12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1829fb4a096046cb4b152588e56df15670cbbb37c839fd28ce2672c26a8fa12", kill_on_drop: false }`
[INFO] [stdout] c1829fb4a096046cb4b152588e56df15670cbbb37c839fd28ce2672c26a8fa12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc482f6896342053890689a6e55161e45891f7e1ad823a1eb7914484bf25e039
[INFO] running `Command { std: "docker" "start" "-a" "fc482f6896342053890689a6e55161e45891f7e1ad823a1eb7914484bf25e039", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking oorandom v11.1.0
[INFO] [stderr]     Checking countdown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking serde_json v1.0.49
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.97s
[INFO] running `Command { std: "docker" "inspect" "fc482f6896342053890689a6e55161e45891f7e1ad823a1eb7914484bf25e039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc482f6896342053890689a6e55161e45891f7e1ad823a1eb7914484bf25e039", kill_on_drop: false }`
[INFO] [stdout] fc482f6896342053890689a6e55161e45891f7e1ad823a1eb7914484bf25e039
[INFO] checking Octorine/countdown against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOctorine%2Fcountdown" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Octorine/countdown on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Octorine/countdown
[INFO] finished tweaking git repo https://github.com/Octorine/countdown
[INFO] tweaked toml for git repo https://github.com/Octorine/countdown written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Octorine/countdown 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b44522f60da92182e3798208867cecdafbe61e483ade701b0234308dc88c369e
[INFO] running `Command { std: "docker" "start" "-a" "b44522f60da92182e3798208867cecdafbe61e483ade701b0234308dc88c369e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b44522f60da92182e3798208867cecdafbe61e483ade701b0234308dc88c369e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b44522f60da92182e3798208867cecdafbe61e483ade701b0234308dc88c369e", kill_on_drop: false }`
[INFO] [stdout] b44522f60da92182e3798208867cecdafbe61e483ade701b0234308dc88c369e
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f6c2702efa36d0255954618a28e4edc5897d718495100d8f8f484f7bc5eb217
[INFO] running `Command { std: "docker" "start" "-a" "1f6c2702efa36d0255954618a28e4edc5897d718495100d8f8f484f7bc5eb217", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking oorandom v11.1.0
[INFO] [stderr]     Checking countdown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking serde_json v1.0.49
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.94s
[INFO] running `Command { std: "docker" "inspect" "1f6c2702efa36d0255954618a28e4edc5897d718495100d8f8f484f7bc5eb217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f6c2702efa36d0255954618a28e4edc5897d718495100d8f8f484f7bc5eb217", kill_on_drop: false }`
[INFO] [stdout] 1f6c2702efa36d0255954618a28e4edc5897d718495100d8f8f484f7bc5eb217