[INFO] fetching crate simplecc 0.2.2... [INFO] checking simplecc-0.2.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate simplecc 0.2.2 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate simplecc 0.2.2 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 simplecc 0.2.2 [INFO] finished tweaking crates.io crate simplecc 0.2.2 [INFO] tweaked toml for crates.io crate simplecc 0.2.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 50 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cast v0.2.7 (latest: v0.3.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding criterion v0.2.11 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.3.1 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.12.1) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_xoshiro v0.1.0 (latest: v0.6.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f5c9b859e7365838b29945c8410a928d29aba8518ec4f8d7e198e31a65abce36 [INFO] running `Command { std: "docker" "start" "-a" "f5c9b859e7365838b29945c8410a928d29aba8518ec4f8d7e198e31a65abce36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f5c9b859e7365838b29945c8410a928d29aba8518ec4f8d7e198e31a65abce36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5c9b859e7365838b29945c8410a928d29aba8518ec4f8d7e198e31a65abce36", kill_on_drop: false }` [INFO] [stdout] f5c9b859e7365838b29945c8410a928d29aba8518ec4f8d7e198e31a65abce36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cb3818f680ae5dac75272746f03a4fc0c36fd1766e6569558090e6d1b2a6a10f [INFO] running `Command { std: "docker" "start" "-a" "cb3818f680ae5dac75272746f03a4fc0c36fd1766e6569558090e6d1b2a6a10f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking simplecc v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:110:21 [INFO] [stdout] | [INFO] [stdout] 110 | let mut node = self.unwrap_node_mut(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:110:21 [INFO] [stdout] | [INFO] [stdout] 110 | let mut node = self.unwrap_node_mut(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` 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 8.57s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "cb3818f680ae5dac75272746f03a4fc0c36fd1766e6569558090e6d1b2a6a10f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb3818f680ae5dac75272746f03a4fc0c36fd1766e6569558090e6d1b2a6a10f", kill_on_drop: false }` [INFO] [stdout] cb3818f680ae5dac75272746f03a4fc0c36fd1766e6569558090e6d1b2a6a10f [INFO] checking simplecc-0.2.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate simplecc 0.2.2 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate simplecc 0.2.2 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 simplecc 0.2.2 [INFO] finished tweaking crates.io crate simplecc 0.2.2 [INFO] tweaked toml for crates.io crate simplecc 0.2.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3116b500e27de1917cc468d5eb0b8eaf6b009d3c0c23d23fabd4e1a87de4de76 [INFO] running `Command { std: "docker" "start" "-a" "3116b500e27de1917cc468d5eb0b8eaf6b009d3c0c23d23fabd4e1a87de4de76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3116b500e27de1917cc468d5eb0b8eaf6b009d3c0c23d23fabd4e1a87de4de76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3116b500e27de1917cc468d5eb0b8eaf6b009d3c0c23d23fabd4e1a87de4de76", kill_on_drop: false }` [INFO] [stdout] 3116b500e27de1917cc468d5eb0b8eaf6b009d3c0c23d23fabd4e1a87de4de76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4846c9618f3b1f4f928b894a1ab071701bbefbadbfaf1bbd8d537417f7e89f1d [INFO] running `Command { std: "docker" "start" "-a" "4846c9618f3b1f4f928b894a1ab071701bbefbadbfaf1bbd8d537417f7e89f1d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking simplecc v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:110:21 [INFO] [stdout] | [INFO] [stdout] 110 | let mut node = self.unwrap_node_mut(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:110:21 [INFO] [stdout] | [INFO] [stdout] 110 | let mut node = self.unwrap_node_mut(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` 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 9.51s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "4846c9618f3b1f4f928b894a1ab071701bbefbadbfaf1bbd8d537417f7e89f1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4846c9618f3b1f4f928b894a1ab071701bbefbadbfaf1bbd8d537417f7e89f1d", kill_on_drop: false }` [INFO] [stdout] 4846c9618f3b1f4f928b894a1ab071701bbefbadbfaf1bbd8d537417f7e89f1d