[INFO] fetching crate cepler 0.7.13...
[INFO] checking cepler-0.7.13 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate cepler 0.7.13 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate cepler 0.7.13 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cepler 0.7.13
[INFO] finished tweaking crates.io crate cepler 0.7.13
[INFO] tweaked toml for crates.io crate cepler 0.7.13 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate cepler 0.7.13 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" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ceee060e09fc9243f36366d5548f1931cde7a5756339a7c20964962837bdfb56
[INFO] running `Command { std: "docker" "start" "-a" "ceee060e09fc9243f36366d5548f1931cde7a5756339a7c20964962837bdfb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ceee060e09fc9243f36366d5548f1931cde7a5756339a7c20964962837bdfb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceee060e09fc9243f36366d5548f1931cde7a5756339a7c20964962837bdfb56", kill_on_drop: false }`
[INFO] [stdout] ceee060e09fc9243f36366d5548f1931cde7a5756339a7c20964962837bdfb56
[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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd8444216b39b4d583d9cc35f781886302651dc1e939b5ff5bcb536146be78b3
[INFO] running `Command { std: "docker" "start" "-a" "fd8444216b39b4d583d9cc35f781886302651dc1e939b5ff5bcb536146be78b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling anyhow v1.0.64
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking stringreader v0.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking url v2.3.0
[INFO] [stderr]    Compiling openssl-src v111.22.0+1.1.1q
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.14.2+1.5.1
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking git2 v0.16.1
[INFO] [stderr]     Checking cepler v0.7.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/config.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |         for (name, mut env) in config.environments.iter_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: variable does not need to be mutable
[INFO] [stdout]   --> src/config.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |         for (name, mut env) in config.environments.iter_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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.43s
[INFO] running `Command { std: "docker" "inspect" "fd8444216b39b4d583d9cc35f781886302651dc1e939b5ff5bcb536146be78b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8444216b39b4d583d9cc35f781886302651dc1e939b5ff5bcb536146be78b3", kill_on_drop: false }`
[INFO] [stdout] fd8444216b39b4d583d9cc35f781886302651dc1e939b5ff5bcb536146be78b3
