[INFO] fetching crate shepherd 0.1.5... [INFO] checking shepherd-0.1.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate shepherd 0.1.5 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate shepherd 0.1.5 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 shepherd 0.1.5 [INFO] finished tweaking crates.io crate shepherd 0.1.5 [INFO] tweaked toml for crates.io crate shepherd 0.1.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate shepherd 0.1.5 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 ctrlc v3.2.3 [INFO] [stderr] Downloaded thiserror-impl v1.0.36 [INFO] [stderr] Downloaded proc-macro2 v1.0.44 [INFO] [stderr] Downloaded thiserror v1.0.36 [INFO] [stderr] Downloaded nix v0.25.0 [INFO] [stderr] Downloaded simplelog v0.12.0 [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] e4415897a50cf9ff921fc39a0813fa8802076238e3e4a2866928f322cf6a2148 [INFO] running `Command { std: "docker" "start" "-a" "e4415897a50cf9ff921fc39a0813fa8802076238e3e4a2866928f322cf6a2148", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4415897a50cf9ff921fc39a0813fa8802076238e3e4a2866928f322cf6a2148", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4415897a50cf9ff921fc39a0813fa8802076238e3e4a2866928f322cf6a2148", kill_on_drop: false }` [INFO] [stdout] e4415897a50cf9ff921fc39a0813fa8802076238e3e4a2866928f322cf6a2148 [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] 9609d4308ab7650b5d9f4ef2434097365646c4e210894c8f240346f223be6bce [INFO] running `Command { std: "docker" "start" "-a" "9609d4308ab7650b5d9f4ef2434097365646c4e210894c8f240346f223be6bce", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.133 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Checking once_cell v1.15.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling crossbeam-queue v0.3.6 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Compiling time-macros v0.2.4 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Checking crossbeam v0.8.2 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking nix v0.25.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.3.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Checking simplelog v0.12.0 [INFO] [stderr] Checking ctrlc v3.2.3 [INFO] [stderr] Checking shepherd v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `dirs` is imported redundantly [INFO] [stdout] --> src/lib.rs:215:5 [INFO] [stdout] | [INFO] [stdout] 215 | use dirs; [INFO] [stdout] | ^^^^ the item `dirs` 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 `ToString` is imported redundantly [INFO] [stdout] --> src/lib.rs:222:5 [INFO] [stdout] | [INFO] [stdout] 222 | string::ToString, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `dirs` is imported redundantly [INFO] [stdout] --> src/lib.rs:215:5 [INFO] [stdout] | [INFO] [stdout] 215 | use dirs; [INFO] [stdout] | ^^^^ the item `dirs` 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 `ToString` is imported redundantly [INFO] [stdout] --> src/lib.rs:222:5 [INFO] [stdout] | [INFO] [stdout] 222 | string::ToString, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined 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] [stdout] warning: the item `shepherd` is imported redundantly [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use shepherd; [INFO] [stdout] | ^^^^^^^^ the item `shepherd` 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 `shepherd` is imported redundantly [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use shepherd; [INFO] [stdout] | ^^^^^^^^ the item `shepherd` 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 6.27s [INFO] running `Command { std: "docker" "inspect" "9609d4308ab7650b5d9f4ef2434097365646c4e210894c8f240346f223be6bce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9609d4308ab7650b5d9f4ef2434097365646c4e210894c8f240346f223be6bce", kill_on_drop: false }` [INFO] [stdout] 9609d4308ab7650b5d9f4ef2434097365646c4e210894c8f240346f223be6bce [INFO] checking shepherd-0.1.5 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate shepherd 0.1.5 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate shepherd 0.1.5 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 shepherd 0.1.5 [INFO] finished tweaking crates.io crate shepherd 0.1.5 [INFO] tweaked toml for crates.io crate shepherd 0.1.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate shepherd 0.1.5 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] 13fd49924b6edc0b70db70641f7629b89e0e550131515f2109f63b948d42f3a2 [INFO] running `Command { std: "docker" "start" "-a" "13fd49924b6edc0b70db70641f7629b89e0e550131515f2109f63b948d42f3a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "13fd49924b6edc0b70db70641f7629b89e0e550131515f2109f63b948d42f3a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13fd49924b6edc0b70db70641f7629b89e0e550131515f2109f63b948d42f3a2", kill_on_drop: false }` [INFO] [stdout] 13fd49924b6edc0b70db70641f7629b89e0e550131515f2109f63b948d42f3a2 [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] d9f5998da0fb9a7366793073d37ca1c7ec77ebe4b093067362f6a35fdeaf1c4a [INFO] running `Command { std: "docker" "start" "-a" "d9f5998da0fb9a7366793073d37ca1c7ec77ebe4b093067362f6a35fdeaf1c4a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.133 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Checking once_cell v1.15.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-queue v0.3.6 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Compiling time-macros v0.2.4 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Checking crossbeam v0.8.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.3.14 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking nix v0.25.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Checking simplelog v0.12.0 [INFO] [stderr] Checking ctrlc v3.2.3 [INFO] [stderr] Checking shepherd v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `dirs` is imported redundantly [INFO] [stdout] --> src/lib.rs:215:5 [INFO] [stdout] | [INFO] [stdout] 215 | use dirs; [INFO] [stdout] | ^^^^ the item `dirs` 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 `ToString` is imported redundantly [INFO] [stdout] --> src/lib.rs:222:5 [INFO] [stdout] | [INFO] [stdout] 222 | string::ToString, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `dirs` is imported redundantly [INFO] [stdout] --> src/lib.rs:215:5 [INFO] [stdout] | [INFO] [stdout] 215 | use dirs; [INFO] [stdout] | ^^^^ the item `dirs` 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 `ToString` is imported redundantly [INFO] [stdout] --> src/lib.rs:222:5 [INFO] [stdout] | [INFO] [stdout] 222 | string::ToString, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined 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] [stdout] warning: the item `shepherd` is imported redundantly [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use shepherd; [INFO] [stdout] | ^^^^^^^^ the item `shepherd` 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 `shepherd` is imported redundantly [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use shepherd; [INFO] [stdout] | ^^^^^^^^ the item `shepherd` 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 5.87s [INFO] running `Command { std: "docker" "inspect" "d9f5998da0fb9a7366793073d37ca1c7ec77ebe4b093067362f6a35fdeaf1c4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9f5998da0fb9a7366793073d37ca1c7ec77ebe4b093067362f6a35fdeaf1c4a", kill_on_drop: false }` [INFO] [stdout] d9f5998da0fb9a7366793073d37ca1c7ec77ebe4b093067362f6a35fdeaf1c4a