[INFO] fetching crate vanessa 0.1.2...
[INFO] building vanessa-0.1.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate vanessa 0.1.2 into /workspace/builds/worker-0-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vanessa 0.1.2 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c55b8c61444f5e66f60c8fe5add19514f9dbad1b3fb647b1fad993a8f43d17fc
[INFO] running `Command { std: "docker" "start" "-a" "c55b8c61444f5e66f60c8fe5add19514f9dbad1b3fb647b1fad993a8f43d17fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c55b8c61444f5e66f60c8fe5add19514f9dbad1b3fb647b1fad993a8f43d17fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55b8c61444f5e66f60c8fe5add19514f9dbad1b3fb647b1fad993a8f43d17fc", kill_on_drop: false }`
[INFO] [stdout] c55b8c61444f5e66f60c8fe5add19514f9dbad1b3fb647b1fad993a8f43d17fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f04ae396c9f327503b2e40f8332b66bd252857928ab9e3cce4ae0e9f2263d64c
[INFO] running `Command { std: "docker" "start" "-a" "f04ae396c9f327503b2e40f8332b66bd252857928ab9e3cce4ae0e9f2263d64c", 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 0.98s
[INFO] running `Command { std: "docker" "inspect" "f04ae396c9f327503b2e40f8332b66bd252857928ab9e3cce4ae0e9f2263d64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04ae396c9f327503b2e40f8332b66bd252857928ab9e3cce4ae0e9f2263d64c", kill_on_drop: false }`
[INFO] [stdout] f04ae396c9f327503b2e40f8332b66bd252857928ab9e3cce4ae0e9f2263d64c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f40842c47cf27ad4feda6ee83fcded8cd2bf958cd62213dae4ee905bdb82e81
[INFO] running `Command { std: "docker" "start" "-a" "6f40842c47cf27ad4feda6ee83fcded8cd2bf958cd62213dae4ee905bdb82e81", 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 0.93s
[INFO] running `Command { std: "docker" "inspect" "6f40842c47cf27ad4feda6ee83fcded8cd2bf958cd62213dae4ee905bdb82e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f40842c47cf27ad4feda6ee83fcded8cd2bf958cd62213dae4ee905bdb82e81", kill_on_drop: false }`
[INFO] [stdout] 6f40842c47cf27ad4feda6ee83fcded8cd2bf958cd62213dae4ee905bdb82e81