[INFO] fetching crate backedup 0.1.1...
[INFO] checking backedup-0.1.1 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate backedup 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate backedup 0.1.1
[INFO] finished tweaking crates.io crate backedup 0.1.1
[INFO] tweaked toml for crates.io crate backedup 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate backedup 0.1.1 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate backedup 0.1.1 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3c3327915370f348efd3adfb47ec6f972031b01f386c5aad0276b669935973c
[INFO] running `Command { std: "docker" "start" "-a" "a3c3327915370f348efd3adfb47ec6f972031b01f386c5aad0276b669935973c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3c3327915370f348efd3adfb47ec6f972031b01f386c5aad0276b669935973c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c3327915370f348efd3adfb47ec6f972031b01f386c5aad0276b669935973c", kill_on_drop: false }`
[INFO] [stdout] a3c3327915370f348efd3adfb47ec6f972031b01f386c5aad0276b669935973c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd83bcee1c12ae9dcd17a86d29f618d889a832842a263a8467b79cc6607d3188
[INFO] running `Command { std: "docker" "start" "-a" "dd83bcee1c12ae9dcd17a86d29f618d889a832842a263a8467b79cc6607d3188", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking arc-swap v1.2.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking wildmatch v2.0.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking syslog v3.3.0
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking slog-stdlog v4.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking slog-term v2.8.0
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking slog-syslog v0.12.0
[INFO] [stderr]     Checking backedup v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/lib.rs:37:20
[INFO] [stdout]    |
[INFO] [stdout] 37 |     ReadDirError { source: IoError, path: PathBuf },
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/lib.rs:37:20
[INFO] [stdout]    |
[INFO] [stdout] 37 |     ReadDirError { source: IoError, path: PathBuf },
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.80s
[INFO] running `Command { std: "docker" "inspect" "dd83bcee1c12ae9dcd17a86d29f618d889a832842a263a8467b79cc6607d3188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd83bcee1c12ae9dcd17a86d29f618d889a832842a263a8467b79cc6607d3188", kill_on_drop: false }`
[INFO] [stdout] dd83bcee1c12ae9dcd17a86d29f618d889a832842a263a8467b79cc6607d3188