[INFO] fetching crate snap 1.1.0...
[INFO] checking snap-1.1.0 against master#020bbe46bdf613c0b8211984eaa8e5fe97d6c92d for pr-122960
[INFO] extracting crate snap 1.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate snap 1.1.0 on toolchain 020bbe46bdf613c0b8211984eaa8e5fe97d6c92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snap 1.1.0
[INFO] finished tweaking crates.io crate snap 1.1.0
[INFO] tweaked toml for crates.io crate snap 1.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate snap 1.1.0 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" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded doc-comment v0.3.3
[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" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30ccf77a8e416e3205626fc86c1f2db3ed75ee04566be551051cfafbf060f026
[INFO] running `Command { std: "docker" "start" "-a" "30ccf77a8e416e3205626fc86c1f2db3ed75ee04566be551051cfafbf060f026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30ccf77a8e416e3205626fc86c1f2db3ed75ee04566be551051cfafbf060f026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ccf77a8e416e3205626fc86c1f2db3ed75ee04566be551051cfafbf060f026", kill_on_drop: false }`
[INFO] [stdout] 30ccf77a8e416e3205626fc86c1f2db3ed75ee04566be551051cfafbf060f026
[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" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7302743c0d9f3f179b59c6464faee6d8b131dc00cbeb135cb6894065d02a46ab
[INFO] running `Command { std: "docker" "start" "-a" "7302743c0d9f3f179b59c6464faee6d8b131dc00cbeb135cb6894065d02a46ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling snap v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `snap` is imported redundantly
[INFO] [stdout]  --> examples/compress.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use snap;
[INFO] [stdout]   |     ^^^^ the item `snap` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `snap` is imported redundantly
[INFO] [stdout]  --> examples/decompress.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use snap;
[INFO] [stdout]   |     ^^^^ the item `snap` is already defined by prelude
[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 0.92s
[INFO] running `Command { std: "docker" "inspect" "7302743c0d9f3f179b59c6464faee6d8b131dc00cbeb135cb6894065d02a46ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7302743c0d9f3f179b59c6464faee6d8b131dc00cbeb135cb6894065d02a46ab", kill_on_drop: false }`
[INFO] [stdout] 7302743c0d9f3f179b59c6464faee6d8b131dc00cbeb135cb6894065d02a46ab
[INFO] checking snap-1.1.0 against try#8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde for pr-122960
[INFO] extracting crate snap 1.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate snap 1.1.0 on toolchain 8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snap 1.1.0
[INFO] finished tweaking crates.io crate snap 1.1.0
[INFO] tweaked toml for crates.io crate snap 1.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate snap 1.1.0 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" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efe76554cd18b86af8389d0b93e3753b724e8b328eeee7d2f0e26050c7c60475
[INFO] running `Command { std: "docker" "start" "-a" "efe76554cd18b86af8389d0b93e3753b724e8b328eeee7d2f0e26050c7c60475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efe76554cd18b86af8389d0b93e3753b724e8b328eeee7d2f0e26050c7c60475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe76554cd18b86af8389d0b93e3753b724e8b328eeee7d2f0e26050c7c60475", kill_on_drop: false }`
[INFO] [stdout] efe76554cd18b86af8389d0b93e3753b724e8b328eeee7d2f0e26050c7c60475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3197de63c1b037db699aa08c351c97d28e12a6364d51d391b8afb5cfc576afb2
[INFO] running `Command { std: "docker" "start" "-a" "3197de63c1b037db699aa08c351c97d28e12a6364d51d391b8afb5cfc576afb2", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "3197de63c1b037db699aa08c351c97d28e12a6364d51d391b8afb5cfc576afb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3197de63c1b037db699aa08c351c97d28e12a6364d51d391b8afb5cfc576afb2", kill_on_drop: false }`
[INFO] [stdout] 3197de63c1b037db699aa08c351c97d28e12a6364d51d391b8afb5cfc576afb2