[INFO] fetching crate linicon 2.3.0... [INFO] checking linicon-2.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate linicon 2.3.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate linicon 2.3.0 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 linicon 2.3.0 [INFO] finished tweaking crates.io crate linicon 2.3.0 [INFO] tweaked toml for crates.io crate linicon 2.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate linicon 2.3.0 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" "+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 freedesktop_entry_parser v1.3.0 [INFO] [stderr] Downloaded file-locker v1.0.5 [INFO] [stderr] Downloaded memmap2 v0.5.2 [INFO] [stderr] Downloaded linicon-theme v1.2.0 [INFO] [stderr] Downloaded shellexpand v2.1.0 [INFO] [stderr] Downloaded half v1.8.2 [INFO] [stderr] Downloaded crossbeam-channel v0.5.2 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.6 [INFO] [stderr] Downloaded nix v0.17.0 [INFO] [stderr] Downloaded serde_json v1.0.78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a50ee77b70ae7a0d8cee83490dc65764a5fa178d0529833d8635ccdda393567d [INFO] running `Command { std: "docker" "start" "-a" "a50ee77b70ae7a0d8cee83490dc65764a5fa178d0529833d8635ccdda393567d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a50ee77b70ae7a0d8cee83490dc65764a5fa178d0529833d8635ccdda393567d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a50ee77b70ae7a0d8cee83490dc65764a5fa178d0529833d8635ccdda393567d", kill_on_drop: false }` [INFO] [stdout] a50ee77b70ae7a0d8cee83490dc65764a5fa178d0529833d8635ccdda393567d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9c720dada73500a8607bdacf94ada7c5339c1ff9029c69f802506e7cf04f4db8 [INFO] running `Command { std: "docker" "start" "-a" "9c720dada73500a8607bdacf94ada7c5339c1ff9029c69f802506e7cf04f4db8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.6 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling crossbeam-epoch v0.9.6 [INFO] [stderr] Checking ahash v0.4.7 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling nom v7.1.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling serde_json v1.0.78 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking crossbeam-channel v0.5.2 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking memmap2 v0.5.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking rayon v1.5.1 [INFO] [stderr] Checking dlv-list v0.2.3 [INFO] [stderr] Checking ordered-multimap v0.3.1 [INFO] [stderr] Checking rust-ini v0.17.0 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking file-locker v1.0.5 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking freedesktop_entry_parser v1.3.0 [INFO] [stderr] Checking linicon-theme v1.2.0 [INFO] [stderr] Checking linicon v2.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/lib.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | iter::Iterator, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` 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] [stderr] Checking criterion v0.3.5 [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/lib.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | iter::Iterator, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.24s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "9c720dada73500a8607bdacf94ada7c5339c1ff9029c69f802506e7cf04f4db8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c720dada73500a8607bdacf94ada7c5339c1ff9029c69f802506e7cf04f4db8", kill_on_drop: false }` [INFO] [stdout] 9c720dada73500a8607bdacf94ada7c5339c1ff9029c69f802506e7cf04f4db8 [INFO] checking linicon-2.3.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate linicon 2.3.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate linicon 2.3.0 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 linicon 2.3.0 [INFO] finished tweaking crates.io crate linicon 2.3.0 [INFO] tweaked toml for crates.io crate linicon 2.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate linicon 2.3.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8abea2e40561eeeadfca6791b0473a253494d195c02c1b17b7374d14a2b6afb6 [INFO] running `Command { std: "docker" "start" "-a" "8abea2e40561eeeadfca6791b0473a253494d195c02c1b17b7374d14a2b6afb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8abea2e40561eeeadfca6791b0473a253494d195c02c1b17b7374d14a2b6afb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8abea2e40561eeeadfca6791b0473a253494d195c02c1b17b7374d14a2b6afb6", kill_on_drop: false }` [INFO] [stdout] 8abea2e40561eeeadfca6791b0473a253494d195c02c1b17b7374d14a2b6afb6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 37c1445322e31f78f3737543a2e28e8e00dc0ad0f4d9ad4abb10d08eb946f021 [INFO] running `Command { std: "docker" "start" "-a" "37c1445322e31f78f3737543a2e28e8e00dc0ad0f4d9ad4abb10d08eb946f021", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling crossbeam-utils v0.8.6 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling crossbeam-epoch v0.9.6 [INFO] [stderr] Compiling nom v7.1.0 [INFO] [stderr] Checking ahash v0.4.7 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling serde_json v1.0.78 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking crossbeam-channel v0.5.2 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking memmap2 v0.5.2 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking rayon v1.5.1 [INFO] [stderr] Checking dlv-list v0.2.3 [INFO] [stderr] Checking ordered-multimap v0.3.1 [INFO] [stderr] Checking rust-ini v0.17.0 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking file-locker v1.0.5 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking freedesktop_entry_parser v1.3.0 [INFO] [stderr] Checking linicon-theme v1.2.0 [INFO] [stderr] Checking linicon v2.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/lib.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | iter::Iterator, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` 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] [stderr] Checking criterion v0.3.5 [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/lib.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | iter::Iterator, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.82s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "37c1445322e31f78f3737543a2e28e8e00dc0ad0f4d9ad4abb10d08eb946f021", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37c1445322e31f78f3737543a2e28e8e00dc0ad0f4d9ad4abb10d08eb946f021", kill_on_drop: false }` [INFO] [stdout] 37c1445322e31f78f3737543a2e28e8e00dc0ad0f4d9ad4abb10d08eb946f021