[INFO] fetching crate myser 0.1.0...
[INFO] checking myser-0.1.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate myser 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate myser 0.1.0 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 crates.io crate myser 0.1.0
[INFO] finished tweaking crates.io crate myser 0.1.0
[INFO] tweaked toml for crates.io crate myser 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate myser 0.1.0 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded critical-section v0.2.7
[INFO] [stderr]   Downloaded semver v1.0.12
[INFO] [stderr]   Downloaded spin v0.9.4
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.8
[INFO] [stderr]   Downloaded cortex-m v0.7.5
[INFO] [stderr]   Downloaded heapless v0.7.15
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69a8dd9cfc563d10826936c2975ea339eb3b9835326cb7b028cadc6628e12253
[INFO] running `Command { std: "docker" "start" "-a" "69a8dd9cfc563d10826936c2975ea339eb3b9835326cb7b028cadc6628e12253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69a8dd9cfc563d10826936c2975ea339eb3b9835326cb7b028cadc6628e12253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a8dd9cfc563d10826936c2975ea339eb3b9835326cb7b028cadc6628e12253", kill_on_drop: false }`
[INFO] [stdout] 69a8dd9cfc563d10826936c2975ea339eb3b9835326cb7b028cadc6628e12253
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43088f26e5977ce15c3c49ee0b15db4b45df3cc1e12b08583c0bfcc488886340
[INFO] running `Command { std: "docker" "start" "-a" "43088f26e5977ce15c3c49ee0b15db4b45df3cc1e12b08583c0bfcc488886340", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]    Compiling heapless v0.7.15
[INFO] [stderr]     Checking myser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "43088f26e5977ce15c3c49ee0b15db4b45df3cc1e12b08583c0bfcc488886340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43088f26e5977ce15c3c49ee0b15db4b45df3cc1e12b08583c0bfcc488886340", kill_on_drop: false }`
[INFO] [stdout] 43088f26e5977ce15c3c49ee0b15db4b45df3cc1e12b08583c0bfcc488886340
[INFO] checking myser-0.1.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate myser 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate myser 0.1.0 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 crates.io crate myser 0.1.0
[INFO] finished tweaking crates.io crate myser 0.1.0
[INFO] tweaked toml for crates.io crate myser 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate myser 0.1.0 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 377c7feed9b179a7f1a355795a6305345a929fbe876d3ec17a8b01b658b05c19
[INFO] running `Command { std: "docker" "start" "-a" "377c7feed9b179a7f1a355795a6305345a929fbe876d3ec17a8b01b658b05c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "377c7feed9b179a7f1a355795a6305345a929fbe876d3ec17a8b01b658b05c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "377c7feed9b179a7f1a355795a6305345a929fbe876d3ec17a8b01b658b05c19", kill_on_drop: false }`
[INFO] [stdout] 377c7feed9b179a7f1a355795a6305345a929fbe876d3ec17a8b01b658b05c19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 51e5d0220b14d4729c4f9ccad0770be243e399343d56ded48e3922aadfa3ffe3
[INFO] running `Command { std: "docker" "start" "-a" "51e5d0220b14d4729c4f9ccad0770be243e399343d56ded48e3922aadfa3ffe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling heapless v0.7.15
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking myser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "51e5d0220b14d4729c4f9ccad0770be243e399343d56ded48e3922aadfa3ffe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e5d0220b14d4729c4f9ccad0770be243e399343d56ded48e3922aadfa3ffe3", kill_on_drop: false }`
[INFO] [stdout] 51e5d0220b14d4729c4f9ccad0770be243e399343d56ded48e3922aadfa3ffe3