[INFO] fetching crate color-eyre 0.5.1...
[INFO] checking color-eyre-0.5.1 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate color-eyre 0.5.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate color-eyre 0.5.1 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate color-eyre 0.5.1
[INFO] finished tweaking crates.io crate color-eyre 0.5.1
[INFO] tweaked toml for crates.io crate color-eyre 0.5.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate color-eyre 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 810003da2026b3883e86914b7544b3f7f3f3aad130a3dfac4e282cb8365ad9ce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "810003da2026b3883e86914b7544b3f7f3f3aad130a3dfac4e282cb8365ad9ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "810003da2026b3883e86914b7544b3f7f3f3aad130a3dfac4e282cb8365ad9ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "810003da2026b3883e86914b7544b3f7f3f3aad130a3dfac4e282cb8365ad9ce", kill_on_drop: false }`
[INFO] [stdout] 810003da2026b3883e86914b7544b3f7f3f3aad130a3dfac4e282cb8365ad9ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 439144252d2739c44bd8e38d83156787e22a5a633f2bce67f380b3ab219329b6
[INFO] running `Command { std: "docker" "start" "-a" "439144252d2739c44bd8e38d83156787e22a5a633f2bce67f380b3ab219329b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling eyre v0.6.0
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking tracing-core v0.1.13
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking tracing-serde v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking tracing v0.1.18
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.4
[INFO] [stderr]     Checking color-eyre v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Section`, `eyre::WrapErr`
[INFO] [stdout]  --> examples/panic_hook.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use color_eyre::{eyre::Report, eyre::WrapErr, Section};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> examples/panic_hook.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing::{info, instrument};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.01s
[INFO] running `Command { std: "docker" "inspect" "439144252d2739c44bd8e38d83156787e22a5a633f2bce67f380b3ab219329b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "439144252d2739c44bd8e38d83156787e22a5a633f2bce67f380b3ab219329b6", kill_on_drop: false }`
[INFO] [stdout] 439144252d2739c44bd8e38d83156787e22a5a633f2bce67f380b3ab219329b6