[INFO] fetching crate tidy-viewer 1.5.2... [INFO] checking tidy-viewer-1.5.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate tidy-viewer 1.5.2 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate tidy-viewer 1.5.2 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 tidy-viewer 1.5.2 [INFO] finished tweaking crates.io crate tidy-viewer 1.5.2 [INFO] tweaked toml for crates.io crate tidy-viewer 1.5.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate tidy-viewer 1.5.2 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] Downloading crates ... [INFO] [stderr] Downloaded owo-colors v3.1.0 [INFO] [stderr] Downloaded directories v4.0.1 [INFO] [stderr] Downloaded unicode-truncate v0.2.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.26 [INFO] [stderr] Downloaded calmio_filters v0.1.0 [INFO] [stderr] Downloaded calm_io v0.1.1 [INFO] [stderr] Downloaded signal-hook v0.3.9 [INFO] [stderr] Downloaded terminal_size v0.1.16 [INFO] [stderr] Downloaded libc v0.2.94 [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] bede1635ec8adf1befbf01cbf7af8e045640b5f3ad1ad4592825fc7dbd4e053a [INFO] running `Command { std: "docker" "start" "-a" "bede1635ec8adf1befbf01cbf7af8e045640b5f3ad1ad4592825fc7dbd4e053a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bede1635ec8adf1befbf01cbf7af8e045640b5f3ad1ad4592825fc7dbd4e053a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bede1635ec8adf1befbf01cbf7af8e045640b5f3ad1ad4592825fc7dbd4e053a", kill_on_drop: false }` [INFO] [stdout] bede1635ec8adf1befbf01cbf7af8e045640b5f3ad1ad4592825fc7dbd4e053a [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] 1478025062ec50610a8eb5572f7ca44aa7d00bd2c0ae01ce3875eaa9d2e23f0a [INFO] running `Command { std: "docker" "start" "-a" "1478025062ec50610a8eb5572f7ca44aa7d00bd2c0ae01ce3875eaa9d2e23f0a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling signal-hook v0.3.9 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking unicode-truncate v0.2.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking owo-colors v3.1.0 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking terminal_size v0.1.16 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking directories v4.0.1 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking signal-hook-mio v0.2.1 [INFO] [stderr] Checking crossterm v0.22.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling calmio_filters v0.1.0 [INFO] [stderr] Checking calm_io v0.1.1 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tidy-viewer v1.5.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined 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 21.96s [INFO] running `Command { std: "docker" "inspect" "1478025062ec50610a8eb5572f7ca44aa7d00bd2c0ae01ce3875eaa9d2e23f0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1478025062ec50610a8eb5572f7ca44aa7d00bd2c0ae01ce3875eaa9d2e23f0a", kill_on_drop: false }` [INFO] [stdout] 1478025062ec50610a8eb5572f7ca44aa7d00bd2c0ae01ce3875eaa9d2e23f0a [INFO] checking tidy-viewer-1.5.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate tidy-viewer 1.5.2 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate tidy-viewer 1.5.2 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 tidy-viewer 1.5.2 [INFO] finished tweaking crates.io crate tidy-viewer 1.5.2 [INFO] tweaked toml for crates.io crate tidy-viewer 1.5.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate tidy-viewer 1.5.2 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] c7705af5fb04d0a7686934558602822ecbb7e3166e35da47e65dff827dd11c23 [INFO] running `Command { std: "docker" "start" "-a" "c7705af5fb04d0a7686934558602822ecbb7e3166e35da47e65dff827dd11c23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7705af5fb04d0a7686934558602822ecbb7e3166e35da47e65dff827dd11c23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7705af5fb04d0a7686934558602822ecbb7e3166e35da47e65dff827dd11c23", kill_on_drop: false }` [INFO] [stdout] c7705af5fb04d0a7686934558602822ecbb7e3166e35da47e65dff827dd11c23 [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] 0306566bc6741d5d2a41be35cca8a00b2c9b07212f9be551348539c2b1e3f64e [INFO] running `Command { std: "docker" "start" "-a" "0306566bc6741d5d2a41be35cca8a00b2c9b07212f9be551348539c2b1e3f64e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling signal-hook v0.3.9 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking unicode-truncate v0.2.0 [INFO] [stderr] Checking owo-colors v3.1.0 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking terminal_size v0.1.16 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking directories v4.0.1 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking signal-hook-mio v0.2.1 [INFO] [stderr] Checking crossterm v0.22.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Compiling calmio_filters v0.1.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking calm_io v0.1.1 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tidy-viewer v1.5.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined 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 20.41s [INFO] running `Command { std: "docker" "inspect" "0306566bc6741d5d2a41be35cca8a00b2c9b07212f9be551348539c2b1e3f64e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0306566bc6741d5d2a41be35cca8a00b2c9b07212f9be551348539c2b1e3f64e", kill_on_drop: false }` [INFO] [stdout] 0306566bc6741d5d2a41be35cca8a00b2c9b07212f9be551348539c2b1e3f64e