[INFO] fetching crate mask 0.11.4... [INFO] checking mask-0.11.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate mask 0.11.4 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate mask 0.11.4 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 mask 0.11.4 [INFO] finished tweaking crates.io crate mask 0.11.4 [INFO] tweaked toml for crates.io crate mask 0.11.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate mask 0.11.4 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde v1.0.125 [INFO] [stderr] Downloaded mask-parser v0.2.1 [INFO] [stderr] Downloaded predicates-tree v1.0.2 [INFO] [stderr] Downloaded globset v0.4.6 [INFO] [stderr] Downloaded term_size v0.3.2 [INFO] [stderr] Downloaded redox_syscall v0.2.6 [INFO] [stderr] Downloaded assert_fs v1.0.1 [INFO] [stderr] Downloaded crossbeam-utils v0.8.3 [INFO] [stderr] Downloaded assert_cmd v1.0.3 [INFO] [stderr] Downloaded bstr v0.2.15 [INFO] [stderr] Downloaded libc v0.2.93 [INFO] [stderr] Downloaded pulldown-cmark v0.5.3 [INFO] [stderr] Downloaded regex-syntax v0.6.23 [INFO] [stderr] Downloaded regex v1.4.5 [INFO] [stderr] Downloaded predicates v1.0.7 [INFO] [stderr] Downloaded syn v1.0.69 [INFO] [stderr] Downloaded ignore v0.4.17 [INFO] [stderr] Downloaded proc-macro2 v1.0.26 [INFO] [stderr] Downloaded serde_derive v1.0.125 [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] 492e33984778ed2180208e1b6e68b41d06d42047c63f229004aef0975f94d90f [INFO] running `Command { std: "docker" "start" "-a" "492e33984778ed2180208e1b6e68b41d06d42047c63f229004aef0975f94d90f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "492e33984778ed2180208e1b6e68b41d06d42047c63f229004aef0975f94d90f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "492e33984778ed2180208e1b6e68b41d06d42047c63f229004aef0975f94d90f", kill_on_drop: false }` [INFO] [stdout] 492e33984778ed2180208e1b6e68b41d06d42047c63f229004aef0975f94d90f [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] fcba2a4b830c893ab854a8498206624607dd5bc341da7b7377565970eebe9db4 [INFO] running `Command { std: "docker" "start" "-a" "fcba2a4b830c893ab854a8498206624607dd5bc341da7b7377565970eebe9db4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling pulldown-cmark v0.5.3 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking predicates-tree v1.0.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking globset v0.4.6 [INFO] [stderr] Checking predicates v1.0.7 [INFO] [stderr] Checking ignore v0.4.17 [INFO] [stderr] Checking assert_cmd v1.0.3 [INFO] [stderr] Checking globwalk v0.8.1 [INFO] [stderr] Checking assert_fs v1.0.1 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking mask-parser v0.2.1 [INFO] [stderr] Checking mask v0.11.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `cli` is never used [INFO] [stdout] --> tests/common/mod.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait MaskCommandExt { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 7 | fn command(&mut self, c: &'static str) -> &mut Command; [INFO] [stdout] 8 | fn cli(&mut self, arguments: &'static str) -> &mut Command; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `cli` is never used [INFO] [stdout] --> tests/common/mod.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait MaskCommandExt { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 7 | fn command(&mut self, c: &'static str) -> &mut Command; [INFO] [stdout] 8 | fn cli(&mut self, arguments: &'static str) -> &mut Command; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `cli` is never used [INFO] [stdout] --> tests/common/mod.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait MaskCommandExt { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 7 | fn command(&mut self, c: &'static str) -> &mut Command; [INFO] [stdout] 8 | fn cli(&mut self, arguments: &'static str) -> &mut Command; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `command` and `cli` are never used [INFO] [stdout] --> tests/common/mod.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait MaskCommandExt { [INFO] [stdout] | -------------- methods in this trait [INFO] [stdout] 7 | fn command(&mut self, c: &'static str) -> &mut Command; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 8 | fn cli(&mut self, arguments: &'static str) -> &mut Command; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.39s [INFO] running `Command { std: "docker" "inspect" "fcba2a4b830c893ab854a8498206624607dd5bc341da7b7377565970eebe9db4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcba2a4b830c893ab854a8498206624607dd5bc341da7b7377565970eebe9db4", kill_on_drop: false }` [INFO] [stdout] fcba2a4b830c893ab854a8498206624607dd5bc341da7b7377565970eebe9db4 [INFO] checking mask-0.11.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate mask 0.11.4 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate mask 0.11.4 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 mask 0.11.4 [INFO] finished tweaking crates.io crate mask 0.11.4 [INFO] tweaked toml for crates.io crate mask 0.11.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate mask 0.11.4 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] [stderr] Blocking waiting for file lock on package cache [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] 50830c578e9475cccfc3ba6d38980459b8c6e631e0df59edd01b206c0a0aff6b [INFO] running `Command { std: "docker" "start" "-a" "50830c578e9475cccfc3ba6d38980459b8c6e631e0df59edd01b206c0a0aff6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50830c578e9475cccfc3ba6d38980459b8c6e631e0df59edd01b206c0a0aff6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50830c578e9475cccfc3ba6d38980459b8c6e631e0df59edd01b206c0a0aff6b", kill_on_drop: false }` [INFO] [stdout] 50830c578e9475cccfc3ba6d38980459b8c6e631e0df59edd01b206c0a0aff6b [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] 8f56970323c2ab68c09f59b339da58a4c59b65183d293d798ceecc2c2cbea3e1 [INFO] running `Command { std: "docker" "start" "-a" "8f56970323c2ab68c09f59b339da58a4c59b65183d293d798ceecc2c2cbea3e1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling pulldown-cmark v0.5.3 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking predicates-tree v1.0.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking globset v0.4.6 [INFO] [stderr] Checking predicates v1.0.7 [INFO] [stderr] Checking ignore v0.4.17 [INFO] [stderr] Checking assert_cmd v1.0.3 [INFO] [stderr] Checking globwalk v0.8.1 [INFO] [stderr] Checking assert_fs v1.0.1 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking mask-parser v0.2.1 [INFO] [stderr] Checking mask v0.11.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `cli` is never used [INFO] [stdout] --> tests/common/mod.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait MaskCommandExt { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 7 | fn command(&mut self, c: &'static str) -> &mut Command; [INFO] [stdout] 8 | fn cli(&mut self, arguments: &'static str) -> &mut Command; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `command` and `cli` are never used [INFO] [stdout] --> tests/common/mod.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait MaskCommandExt { [INFO] [stdout] | -------------- methods in this trait [INFO] [stdout] 7 | fn command(&mut self, c: &'static str) -> &mut Command; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 8 | fn cli(&mut self, arguments: &'static str) -> &mut Command; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `cli` is never used [INFO] [stdout] --> tests/common/mod.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait MaskCommandExt { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 7 | fn command(&mut self, c: &'static str) -> &mut Command; [INFO] [stdout] 8 | fn cli(&mut self, arguments: &'static str) -> &mut Command; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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] [stdout] warning: method `cli` is never used [INFO] [stdout] --> tests/common/mod.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait MaskCommandExt { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 7 | fn command(&mut self, c: &'static str) -> &mut Command; [INFO] [stdout] 8 | fn cli(&mut self, arguments: &'static str) -> &mut Command; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 25.00s [INFO] running `Command { std: "docker" "inspect" "8f56970323c2ab68c09f59b339da58a4c59b65183d293d798ceecc2c2cbea3e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f56970323c2ab68c09f59b339da58a4c59b65183d293d798ceecc2c2cbea3e1", kill_on_drop: false }` [INFO] [stdout] 8f56970323c2ab68c09f59b339da58a4c59b65183d293d798ceecc2c2cbea3e1