[INFO] fetching crate oisuite 1.0.0...
[INFO] checking oisuite-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate oisuite 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate oisuite 1.0.0 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 crates.io crate oisuite 1.0.0
[INFO] finished tweaking crates.io crate oisuite 1.0.0
[INFO] tweaked toml for crates.io crate oisuite 1.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate oisuite 1.0.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_termios v0.1.2
[INFO] [stderr]   Downloaded libc v0.2.107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cdadf2997d159ecb19bc4090547a6239352bc3831b0d752079ded8f67592016b
[INFO] running `Command { std: "docker" "start" "-a" "cdadf2997d159ecb19bc4090547a6239352bc3831b0d752079ded8f67592016b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdadf2997d159ecb19bc4090547a6239352bc3831b0d752079ded8f67592016b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdadf2997d159ecb19bc4090547a6239352bc3831b0d752079ded8f67592016b", kill_on_drop: false }`
[INFO] [stdout] cdadf2997d159ecb19bc4090547a6239352bc3831b0d752079ded8f67592016b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 60cdcb6825d21f9b3cbaaaaefd47323efe5322a2a8fc313cb00b23b738261f67
[INFO] running `Command { std: "docker" "start" "-a" "60cdcb6825d21f9b3cbaaaaefd47323efe5322a2a8fc313cb00b23b738261f67", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking oisuite v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `process` is imported redundantly
[INFO] [stdout]  --> src/install.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::*;
[INFO] [stdout]   |     -------- the item `process` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `process` is imported redundantly
[INFO] [stdout]  --> src/install.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::*;
[INFO] [stdout]   |     -------- the item `process` is already imported here
[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 1.29s
[INFO] running `Command { std: "docker" "inspect" "60cdcb6825d21f9b3cbaaaaefd47323efe5322a2a8fc313cb00b23b738261f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60cdcb6825d21f9b3cbaaaaefd47323efe5322a2a8fc313cb00b23b738261f67", kill_on_drop: false }`
[INFO] [stdout] 60cdcb6825d21f9b3cbaaaaefd47323efe5322a2a8fc313cb00b23b738261f67
[INFO] checking oisuite-1.0.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate oisuite 1.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate oisuite 1.0.0 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 crates.io crate oisuite 1.0.0
[INFO] finished tweaking crates.io crate oisuite 1.0.0
[INFO] tweaked toml for crates.io crate oisuite 1.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate oisuite 1.0.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 54e41ab95414849c3ed7b6ccd3277b11092ba421a76876991a5010b6e77cfdb6
[INFO] running `Command { std: "docker" "start" "-a" "54e41ab95414849c3ed7b6ccd3277b11092ba421a76876991a5010b6e77cfdb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54e41ab95414849c3ed7b6ccd3277b11092ba421a76876991a5010b6e77cfdb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e41ab95414849c3ed7b6ccd3277b11092ba421a76876991a5010b6e77cfdb6", kill_on_drop: false }`
[INFO] [stdout] 54e41ab95414849c3ed7b6ccd3277b11092ba421a76876991a5010b6e77cfdb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 77c3776722f1db9bc713b9eb9cef5a27a79239f30671251c106aa2d5a2981c51
[INFO] running `Command { std: "docker" "start" "-a" "77c3776722f1db9bc713b9eb9cef5a27a79239f30671251c106aa2d5a2981c51", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking oisuite v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `process` is imported redundantly
[INFO] [stdout]  --> src/install.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::*;
[INFO] [stdout]   |     -------- the item `process` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `process` is imported redundantly
[INFO] [stdout]  --> src/install.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::*;
[INFO] [stdout]   |     -------- the item `process` is already imported here
[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 1.80s
[INFO] running `Command { std: "docker" "inspect" "77c3776722f1db9bc713b9eb9cef5a27a79239f30671251c106aa2d5a2981c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c3776722f1db9bc713b9eb9cef5a27a79239f30671251c106aa2d5a2981c51", kill_on_drop: false }`
[INFO] [stdout] 77c3776722f1db9bc713b9eb9cef5a27a79239f30671251c106aa2d5a2981c51