[INFO] fetching crate xmt 0.1.4...
[INFO] checking xmt-0.1.4 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate xmt 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate xmt 0.1.4
[INFO] finished tweaking crates.io crate xmt 0.1.4
[INFO] tweaked toml for crates.io crate xmt 0.1.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xmt 0.1.4 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 76 packages to latest compatible versions
[INFO] [stderr]       Adding colored v2.2.0 (available: v3.0.0)
[INFO] [stderr]       Adding ptree v0.4.0 (available: v0.5.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 807149856f993d96e120330082af92df13413b7f681ca553ac458a62512d7bdd
[INFO] running `Command { std: "docker" "start" "-a" "807149856f993d96e120330082af92df13413b7f681ca553ac458a62512d7bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "807149856f993d96e120330082af92df13413b7f681ca553ac458a62512d7bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "807149856f993d96e120330082af92df13413b7f681ca553ac458a62512d7bdd", kill_on_drop: false }`
[INFO] [stdout] 807149856f993d96e120330082af92df13413b7f681ca553ac458a62512d7bdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42b7f98014f0f3d4e71bbb79e05c198188500c44e3f5f4a6e9f27b6df2cfaa4b
[INFO] running `Command { std: "docker" "start" "-a" "42b7f98014f0f3d4e71bbb79e05c198188500c44e3f5f4a6e9f27b6df2cfaa4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking num-traits v0.2.19
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking tint v1.0.1
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking colored v2.2.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking ptree v0.4.0
[INFO] [stderr]     Checking xmt v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.41s
[INFO] running `Command { std: "docker" "inspect" "42b7f98014f0f3d4e71bbb79e05c198188500c44e3f5f4a6e9f27b6df2cfaa4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b7f98014f0f3d4e71bbb79e05c198188500c44e3f5f4a6e9f27b6df2cfaa4b", kill_on_drop: false }`
[INFO] [stdout] 42b7f98014f0f3d4e71bbb79e05c198188500c44e3f5f4a6e9f27b6df2cfaa4b