[INFO] cloning repository https://github.com/harris-chris/clock-sync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harris-chris/clock-sync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharris-chris%2Fclock-sync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharris-chris%2Fclock-sync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9748ebc0b8c4097a0507765c4b38fb9815c4f25
[INFO] checking harris-chris/clock-sync against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharris-chris%2Fclock-sync" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/harris-chris/clock-sync on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/harris-chris/clock-sync
[INFO] finished tweaking git repo https://github.com/harris-chris/clock-sync
[INFO] tweaked toml for git repo https://github.com/harris-chris/clock-sync written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/harris-chris/clock-sync 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded num-bigint v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1682a8fe0b99c88483df606a74ed6f242927ce3cb6b489911ab29ec803d1a6f
[INFO] running `Command { std: "docker" "start" "-a" "c1682a8fe0b99c88483df606a74ed6f242927ce3cb6b489911ab29ec803d1a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1682a8fe0b99c88483df606a74ed6f242927ce3cb6b489911ab29ec803d1a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1682a8fe0b99c88483df606a74ed6f242927ce3cb6b489911ab29ec803d1a6f", kill_on_drop: false }`
[INFO] [stdout] c1682a8fe0b99c88483df606a74ed6f242927ce3cb6b489911ab29ec803d1a6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7806c6280ff2a2cce755cbca57c9615c17f40a4e301abac9a237315ea60f735
[INFO] running `Command { std: "docker" "start" "-a" "e7806c6280ff2a2cce755cbca57c9615c17f40a4e301abac9a237315ea60f735", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking cs-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `trace`, `warn`
[INFO] [stdout]  --> src/lib/remainder_lib.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{info, trace, warn};
[INFO] [stdout]   |                 ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `trace`, `warn`
[INFO] [stdout]  --> src/lib/remainder_lib.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{info, trace, warn};
[INFO] [stdout]   |                 ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.66s
[INFO] running `Command { std: "docker" "inspect" "e7806c6280ff2a2cce755cbca57c9615c17f40a4e301abac9a237315ea60f735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7806c6280ff2a2cce755cbca57c9615c17f40a4e301abac9a237315ea60f735", kill_on_drop: false }`
[INFO] [stdout] e7806c6280ff2a2cce755cbca57c9615c17f40a4e301abac9a237315ea60f735
[INFO] checking harris-chris/clock-sync against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharris-chris%2Fclock-sync" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/harris-chris/clock-sync on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/harris-chris/clock-sync
[INFO] finished tweaking git repo https://github.com/harris-chris/clock-sync
[INFO] tweaked toml for git repo https://github.com/harris-chris/clock-sync written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/harris-chris/clock-sync 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3801fd595dc0168229676a389bb90be09ea15884c613f59f3fc625caabfb7843
[INFO] running `Command { std: "docker" "start" "-a" "3801fd595dc0168229676a389bb90be09ea15884c613f59f3fc625caabfb7843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3801fd595dc0168229676a389bb90be09ea15884c613f59f3fc625caabfb7843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3801fd595dc0168229676a389bb90be09ea15884c613f59f3fc625caabfb7843", kill_on_drop: false }`
[INFO] [stdout] 3801fd595dc0168229676a389bb90be09ea15884c613f59f3fc625caabfb7843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df4a5dbd5e7034e9cdb920edd64eb15541dce1153a5f1de25bdee70cecdb2ec8
[INFO] running `Command { std: "docker" "start" "-a" "df4a5dbd5e7034e9cdb920edd64eb15541dce1153a5f1de25bdee70cecdb2ec8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking cs-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `trace`, `warn`
[INFO] [stdout]  --> src/lib/remainder_lib.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{info, trace, warn};
[INFO] [stdout]   |                 ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `trace`, `warn`
[INFO] [stdout]  --> src/lib/remainder_lib.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{info, trace, warn};
[INFO] [stdout]   |                 ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.59s
[INFO] running `Command { std: "docker" "inspect" "df4a5dbd5e7034e9cdb920edd64eb15541dce1153a5f1de25bdee70cecdb2ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df4a5dbd5e7034e9cdb920edd64eb15541dce1153a5f1de25bdee70cecdb2ec8", kill_on_drop: false }`
[INFO] [stdout] df4a5dbd5e7034e9cdb920edd64eb15541dce1153a5f1de25bdee70cecdb2ec8