[INFO] fetching crate vanessa 0.1.2...
[INFO] building vanessa-0.1.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate vanessa 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate vanessa 0.1.2
[INFO] finished tweaking crates.io crate vanessa 0.1.2
[INFO] tweaked toml for crates.io crate vanessa 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vanessa 0.1.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 435fc972100e36508c69e66ee70868cadf938f587d383729c53ba19858673cab
[INFO] running `Command { std: "docker" "start" "-a" "435fc972100e36508c69e66ee70868cadf938f587d383729c53ba19858673cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "435fc972100e36508c69e66ee70868cadf938f587d383729c53ba19858673cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "435fc972100e36508c69e66ee70868cadf938f587d383729c53ba19858673cab", kill_on_drop: false }`
[INFO] [stdout] 435fc972100e36508c69e66ee70868cadf938f587d383729c53ba19858673cab
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b41be2c7d617a7cbfc896e8248c1f79e0e6033fae4db36dd7c346c748d7e0bfb
[INFO] running `Command { std: "docker" "start" "-a" "b41be2c7d617a7cbfc896e8248c1f79e0e6033fae4db36dd7c346c748d7e0bfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling vanessa v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/log.rs:381:24
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn new(prefix: &str, tlevel: LogLevel, flevel: LogLevel) -> Logger {
[INFO] [stdout]     |                        ^^^^ the lifetime is elided here             ^^^^^^ the same lifetime is hidden 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] 381 |     pub fn new(prefix: &str, tlevel: LogLevel, flevel: LogLevel) -> Logger<'_> {
[INFO] [stdout]     |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/log.rs:391:26
[INFO] [stdout]     |
[INFO] [stdout] 391 |     pub fn quick(prefix: &str) -> Logger {
[INFO] [stdout]     |                          ^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 391 |     pub fn quick(prefix: &str) -> Logger<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "b41be2c7d617a7cbfc896e8248c1f79e0e6033fae4db36dd7c346c748d7e0bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41be2c7d617a7cbfc896e8248c1f79e0e6033fae4db36dd7c346c748d7e0bfb", kill_on_drop: false }`
[INFO] [stdout] b41be2c7d617a7cbfc896e8248c1f79e0e6033fae4db36dd7c346c748d7e0bfb
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01ee141acea5fe3d9a0b5579e4b6b1fe3d689865dd5806e0aeeea69841347afb
[INFO] running `Command { std: "docker" "start" "-a" "01ee141acea5fe3d9a0b5579e4b6b1fe3d689865dd5806e0aeeea69841347afb", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/log.rs:381:24
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn new(prefix: &str, tlevel: LogLevel, flevel: LogLevel) -> Logger {
[INFO] [stdout]     |                        ^^^^ the lifetime is elided here             ^^^^^^ the same lifetime is hidden 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] 381 |     pub fn new(prefix: &str, tlevel: LogLevel, flevel: LogLevel) -> Logger<'_> {
[INFO] [stdout]     |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/log.rs:391:26
[INFO] [stdout]     |
[INFO] [stdout] 391 |     pub fn quick(prefix: &str) -> Logger {
[INFO] [stdout]     |                          ^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 391 |     pub fn quick(prefix: &str) -> Logger<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling vanessa v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/log.rs:381:24
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn new(prefix: &str, tlevel: LogLevel, flevel: LogLevel) -> Logger {
[INFO] [stdout]     |                        ^^^^ the lifetime is elided here             ^^^^^^ the same lifetime is hidden 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] 381 |     pub fn new(prefix: &str, tlevel: LogLevel, flevel: LogLevel) -> Logger<'_> {
[INFO] [stdout]     |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/log.rs:391:26
[INFO] [stdout]     |
[INFO] [stdout] 391 |     pub fn quick(prefix: &str) -> Logger {
[INFO] [stdout]     |                          ^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 391 |     pub fn quick(prefix: &str) -> Logger<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "01ee141acea5fe3d9a0b5579e4b6b1fe3d689865dd5806e0aeeea69841347afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ee141acea5fe3d9a0b5579e4b6b1fe3d689865dd5806e0aeeea69841347afb", kill_on_drop: false }`
[INFO] [stdout] 01ee141acea5fe3d9a0b5579e4b6b1fe3d689865dd5806e0aeeea69841347afb