[INFO] fetching crate slog-term 2.9.0...
[INFO] checking slog-term-2.9.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate slog-term 2.9.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate slog-term 2.9.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slog-term 2.9.0
[INFO] finished tweaking crates.io crate slog-term 2.9.0
[INFO] tweaked toml for crates.io crate slog-term 2.9.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate slog-term 2.9.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded erased-serde v0.3.18
[INFO] [stderr]   Downloaded num_threads v0.1.3
[INFO] [stderr]   Downloaded time v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb98620747bba5e5e6c8784bebe178b83d5e1e2c0069cddeee1ae6ae51a60884
[INFO] running `Command { std: "docker" "start" "-a" "bb98620747bba5e5e6c8784bebe178b83d5e1e2c0069cddeee1ae6ae51a60884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb98620747bba5e5e6c8784bebe178b83d5e1e2c0069cddeee1ae6ae51a60884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb98620747bba5e5e6c8784bebe178b83d5e1e2c0069cddeee1ae6ae51a60884", kill_on_drop: false }`
[INFO] [stdout] bb98620747bba5e5e6c8784bebe178b83d5e1e2c0069cddeee1ae6ae51a60884
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28d507365d5699749136e26988056c384b2f3e94fc0795f585207ce3a5df27de
[INFO] running `Command { std: "docker" "start" "-a" "28d507365d5699749136e26988056c384b2f3e94fc0795f585207ce3a5df27de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking num_threads v0.1.3
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]     Checking slog-term v2.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Drain` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | use slog::Drain;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 89 | use slog::Key;
[INFO] [stdout] 90 | use slog::*;
[INFO] [stdout]    |     ------- the item `Drain` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Key` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 | use slog::Key;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 90 | use slog::*;
[INFO] [stdout]    |     ------- the item `Key` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Drain` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | use slog::Drain;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 89 | use slog::Key;
[INFO] [stdout] 90 | use slog::*;
[INFO] [stdout]    |     ------- the item `Drain` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Key` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 | use slog::Key;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 90 | use slog::*;
[INFO] [stdout]    |     ------- the item `Key` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "28d507365d5699749136e26988056c384b2f3e94fc0795f585207ce3a5df27de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d507365d5699749136e26988056c384b2f3e94fc0795f585207ce3a5df27de", kill_on_drop: false }`
[INFO] [stdout] 28d507365d5699749136e26988056c384b2f3e94fc0795f585207ce3a5df27de