[INFO] fetching crate n0-snafu 0.2.1...
[INFO] checking n0-snafu-0.2.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate n0-snafu 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate n0-snafu 0.2.1
[INFO] finished tweaking crates.io crate n0-snafu 0.2.1
[INFO] tweaked toml for crates.io crate n0-snafu 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate n0-snafu 0.2.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate n0-snafu 0.2.1 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b9544899d2ae6f5d363d3a3efcdc458fee37d5eff5bd7b022295029c47f2227
[INFO] running `Command { std: "docker" "start" "-a" "4b9544899d2ae6f5d363d3a3efcdc458fee37d5eff5bd7b022295029c47f2227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b9544899d2ae6f5d363d3a3efcdc458fee37d5eff5bd7b022295029c47f2227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9544899d2ae6f5d363d3a3efcdc458fee37d5eff5bd7b022295029c47f2227", kill_on_drop: false }`
[INFO] [stdout] 4b9544899d2ae6f5d363d3a3efcdc458fee37d5eff5bd7b022295029c47f2227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 460cbabb65b62789050308814dbbbcce7d041fa74f713cb7dd6fd070fda33a12
[INFO] running `Command { std: "docker" "start" "-a" "460cbabb65b62789050308814dbbbcce7d041fa74f713cb7dd6fd070fda33a12", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling anyhow v1.0.96
[INFO] [stderr]     Checking btparse v0.2.0
[INFO] [stderr]     Checking miniz_oxide v0.8.4
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking object v0.36.7
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking tracing-error v0.2.1
[INFO] [stderr]    Compiling snafu-derive v0.8.5
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking color-backtrace v0.7.0
[INFO] [stderr]     Checking snafu v0.8.5
[INFO] [stderr]     Checking n0-snafu v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/error.rs:346:18
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub fn stack(&self) -> Vec<(Option<Backtrace>, Source<'_>)> {
[INFO] [stdout]     |                  ^^^^^                 ---------          -- the same lifetime is elided here
[INFO] [stdout]     |                  |                     |
[INFO] [stdout]     |                  |                     the same lifetime is hidden here
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub fn stack(&self) -> Vec<(Option<Backtrace<'_>>, Source<'_>)> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/error.rs:346:18
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub fn stack(&self) -> Vec<(Option<Backtrace>, Source<'_>)> {
[INFO] [stdout]     |                  ^^^^^                 ---------          -- the same lifetime is elided here
[INFO] [stdout]     |                  |                     |
[INFO] [stdout]     |                  |                     the same lifetime is hidden here
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 346 |     pub fn stack(&self) -> Vec<(Option<Backtrace<'_>>, Source<'_>)> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `Command { std: "docker" "inspect" "460cbabb65b62789050308814dbbbcce7d041fa74f713cb7dd6fd070fda33a12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "460cbabb65b62789050308814dbbbcce7d041fa74f713cb7dd6fd070fda33a12", kill_on_drop: false }`
[INFO] [stdout] 460cbabb65b62789050308814dbbbcce7d041fa74f713cb7dd6fd070fda33a12