[INFO] fetching crate scaled 0.0.3...
[INFO] checking scaled-0.0.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate scaled 0.0.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate scaled 0.0.3 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 scaled 0.0.3
[INFO] finished tweaking crates.io crate scaled 0.0.3
[INFO] tweaked toml for crates.io crate scaled 0.0.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate scaled 0.0.3 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixed-sqrt v0.2.4
[INFO] [stderr]   Downloaded fixed v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 08a09115099b0790341b2ca0361454a009c0e89c3cd437c8e397db2e7e7f362e
[INFO] running `Command { std: "docker" "start" "-a" "08a09115099b0790341b2ca0361454a009c0e89c3cd437c8e397db2e7e7f362e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08a09115099b0790341b2ca0361454a009c0e89c3cd437c8e397db2e7e7f362e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a09115099b0790341b2ca0361454a009c0e89c3cd437c8e397db2e7e7f362e", kill_on_drop: false }`
[INFO] [stdout] 08a09115099b0790341b2ca0361454a009c0e89c3cd437c8e397db2e7e7f362e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d0ac73ddf8d947a9a02ad6c5be0dcfdd87ce9611d0e0728529713ef4222f7e0b
[INFO] running `Command { std: "docker" "start" "-a" "d0ac73ddf8d947a9a02ad6c5be0dcfdd87ce9611d0e0728529713ef4222f7e0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling fixed v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking euclid v0.22.1
[INFO] [stderr]     Checking fixed-sqrt v0.2.4
[INFO] [stderr]     Checking scaled v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `fixed` is imported redundantly
[INFO] [stdout]    --> src/wrapped.rs:150:7
[INFO] [stdout]     |
[INFO] [stdout] 150 |   use fixed;
[INFO] [stdout]     |       ^^^^^ the item `fixed` 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 `euclid` is imported redundantly
[INFO] [stdout]    --> src/wrapped.rs:151:7
[INFO] [stdout]     |
[INFO] [stdout] 151 |   use euclid;
[INFO] [stdout]     |       ^^^^^^ the item `euclid` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `fixed` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:147:7
[INFO] [stdout]     |
[INFO] [stdout] 147 |   use fixed;
[INFO] [stdout]     |       ^^^^^ the item `fixed` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `euclid` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:148:7
[INFO] [stdout]     |
[INFO] [stdout] 148 |   use euclid;
[INFO] [stdout]     |       ^^^^^^ the item `euclid` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `Command { std: "docker" "inspect" "d0ac73ddf8d947a9a02ad6c5be0dcfdd87ce9611d0e0728529713ef4222f7e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ac73ddf8d947a9a02ad6c5be0dcfdd87ce9611d0e0728529713ef4222f7e0b", kill_on_drop: false }`
[INFO] [stdout] d0ac73ddf8d947a9a02ad6c5be0dcfdd87ce9611d0e0728529713ef4222f7e0b
[INFO] checking scaled-0.0.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate scaled 0.0.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate scaled 0.0.3 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 scaled 0.0.3
[INFO] finished tweaking crates.io crate scaled 0.0.3
[INFO] tweaked toml for crates.io crate scaled 0.0.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate scaled 0.0.3 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0d93187ebd91571b80819e178c9a688665990cb309031e999be347a1d8ef33fe
[INFO] running `Command { std: "docker" "start" "-a" "0d93187ebd91571b80819e178c9a688665990cb309031e999be347a1d8ef33fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d93187ebd91571b80819e178c9a688665990cb309031e999be347a1d8ef33fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d93187ebd91571b80819e178c9a688665990cb309031e999be347a1d8ef33fe", kill_on_drop: false }`
[INFO] [stdout] 0d93187ebd91571b80819e178c9a688665990cb309031e999be347a1d8ef33fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 87030b1772fa29bd0bcd5be06b0cd87013597fb9dc8586847703252372674b6f
[INFO] running `Command { std: "docker" "start" "-a" "87030b1772fa29bd0bcd5be06b0cd87013597fb9dc8586847703252372674b6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling fixed v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking euclid v0.22.1
[INFO] [stderr]     Checking fixed-sqrt v0.2.4
[INFO] [stderr]     Checking scaled v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `fixed` is imported redundantly
[INFO] [stdout]    --> src/wrapped.rs:150:7
[INFO] [stdout]     |
[INFO] [stdout] 150 |   use fixed;
[INFO] [stdout]     |       ^^^^^ the item `fixed` 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 `euclid` is imported redundantly
[INFO] [stdout]    --> src/wrapped.rs:151:7
[INFO] [stdout]     |
[INFO] [stdout] 151 |   use euclid;
[INFO] [stdout]     |       ^^^^^^ the item `euclid` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `fixed` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:147:7
[INFO] [stdout]     |
[INFO] [stdout] 147 |   use fixed;
[INFO] [stdout]     |       ^^^^^ the item `fixed` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `euclid` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:148:7
[INFO] [stdout]     |
[INFO] [stdout] 148 |   use euclid;
[INFO] [stdout]     |       ^^^^^^ the item `euclid` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.81s
[INFO] running `Command { std: "docker" "inspect" "87030b1772fa29bd0bcd5be06b0cd87013597fb9dc8586847703252372674b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87030b1772fa29bd0bcd5be06b0cd87013597fb9dc8586847703252372674b6f", kill_on_drop: false }`
[INFO] [stdout] 87030b1772fa29bd0bcd5be06b0cd87013597fb9dc8586847703252372674b6f