[INFO] fetching crate min_err_per_step 0.0.213...
[INFO] checking min_err_per_step-0.0.213 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate min_err_per_step 0.0.213 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate min_err_per_step 0.0.213
[INFO] finished tweaking crates.io crate min_err_per_step 0.0.213
[INFO] tweaked toml for crates.io crate min_err_per_step 0.0.213 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate min_err_per_step 0.0.213 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate min_err_per_step 0.0.213 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 077cb18ed9444b3840940d9b6a5a214ecc195ff35f9141e1e87889dfa939b7b9
[INFO] running `Command { std: "docker" "start" "-a" "077cb18ed9444b3840940d9b6a5a214ecc195ff35f9141e1e87889dfa939b7b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "077cb18ed9444b3840940d9b6a5a214ecc195ff35f9141e1e87889dfa939b7b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077cb18ed9444b3840940d9b6a5a214ecc195ff35f9141e1e87889dfa939b7b9", kill_on_drop: false }`
[INFO] [stdout] 077cb18ed9444b3840940d9b6a5a214ecc195ff35f9141e1e87889dfa939b7b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 524d07172abff0a0e534275b3f714f6a949f6bf569ac173baf1ca05fe1613945
[INFO] running `Command { std: "docker" "start" "-a" "524d07172abff0a0e534275b3f714f6a949f6bf569ac173baf1ca05fe1613945", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling CuPs v0.0.5
[INFO] [stderr]    Compiling rug v1.28.0
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling min_err_per_step v0.0.213 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking unic-ucd-hangul v0.9.0
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]     Checking unic-ucd-category v0.9.0
[INFO] [stderr]     Checking unic-ucd-name_aliases v0.9.0
[INFO] [stderr]     Checking unic-ucd-common v0.9.0
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking unic-ucd-age v0.9.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking unic-ucd-block v0.9.0
[INFO] [stderr]     Checking unic-ucd-name v0.9.0
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking unic-ucd-bidi v0.9.0
[INFO] [stderr]     Checking unic-ucd-case v0.9.0
[INFO] [stderr]     Checking unic-ucd-ident v0.9.0
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking unic-ucd-normal v0.9.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking unic-ucd v0.9.0
[INFO] [stderr]     Checking Mademoiselle_Entropia v1.11.19
[INFO] [stdout] error: struct `Rationale` is never constructed
[INFO] [stdout]   --> src/rationale/basic.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Rationale {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Rationale` is never constructed
[INFO] [stdout]   --> src/rationale/basic.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Rationale {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `min_err_per_step` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `min_err_per_step` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "524d07172abff0a0e534275b3f714f6a949f6bf569ac173baf1ca05fe1613945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "524d07172abff0a0e534275b3f714f6a949f6bf569ac173baf1ca05fe1613945", kill_on_drop: false }`
[INFO] [stdout] 524d07172abff0a0e534275b3f714f6a949f6bf569ac173baf1ca05fe1613945
