[INFO] fetching crate shadow-rs 0.3.15...
[INFO] checking shadow-rs-0.3.15 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate shadow-rs 0.3.15 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate shadow-rs 0.3.15 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shadow-rs 0.3.15
[INFO] finished tweaking crates.io crate shadow-rs 0.3.15
[INFO] tweaked toml for crates.io crate shadow-rs 0.3.15 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate shadow-rs 0.3.15 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e859fb0d526f58b48ba40eeb6ea829706fe49081bea9605c2ebad8cd8bd4103f
[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" "e859fb0d526f58b48ba40eeb6ea829706fe49081bea9605c2ebad8cd8bd4103f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e859fb0d526f58b48ba40eeb6ea829706fe49081bea9605c2ebad8cd8bd4103f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e859fb0d526f58b48ba40eeb6ea829706fe49081bea9605c2ebad8cd8bd4103f", kill_on_drop: false }`
[INFO] [stdout] e859fb0d526f58b48ba40eeb6ea829706fe49081bea9605c2ebad8cd8bd4103f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ffe0f9710cddbf4cb278df12ab77e531161d70c20199bc02250fe502889a501
[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" "3ffe0f9710cddbf4cb278df12ab77e531161d70c20199bc02250fe502889a501", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libssh2-sys v0.2.18
[INFO] [stderr]    Compiling libgit2-sys v0.12.9+1.0.1
[INFO] [stderr]     Checking git2 v0.13.8
[INFO] [stderr]     Checking shadow-rs v0.3.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Jenkins`
[INFO] [stdout]  --> src/ci.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Jenkins,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Travis`
[INFO] [stdout]  --> src/ci.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Travis,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Jenkins`
[INFO] [stdout]  --> src/ci.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Jenkins,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Travis`
[INFO] [stdout]  --> src/ci.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Travis,
[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 58.82s
[INFO] running `Command { std: "docker" "inspect" "3ffe0f9710cddbf4cb278df12ab77e531161d70c20199bc02250fe502889a501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ffe0f9710cddbf4cb278df12ab77e531161d70c20199bc02250fe502889a501", kill_on_drop: false }`
[INFO] [stdout] 3ffe0f9710cddbf4cb278df12ab77e531161d70c20199bc02250fe502889a501