[INFO] fetching crate icu 0.1.0...
[INFO] checking icu-0.1.0 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate icu 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate icu 0.1.0 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate icu 0.1.0
[INFO] finished tweaking crates.io crate icu 0.1.0
[INFO] tweaked toml for crates.io crate icu 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate icu 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa2ba3aadcbc5239777856fe2b848401dc8773e0655a56b1719f66f2d3a6be1e
[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" "aa2ba3aadcbc5239777856fe2b848401dc8773e0655a56b1719f66f2d3a6be1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa2ba3aadcbc5239777856fe2b848401dc8773e0655a56b1719f66f2d3a6be1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2ba3aadcbc5239777856fe2b848401dc8773e0655a56b1719f66f2d3a6be1e", kill_on_drop: false }`
[INFO] [stdout] aa2ba3aadcbc5239777856fe2b848401dc8773e0655a56b1719f66f2d3a6be1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6670c9637c3df439438e8db1ac25e953a4ca42f5aab5ece95de78bb7e6bf7534
[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" "6670c9637c3df439438e8db1ac25e953a4ca42f5aab5ece95de78bb7e6bf7534", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling tinystr-raw v0.1.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking icu_uniset v0.1.0
[INFO] [stderr]    Compiling tinystr-macros v0.2.0
[INFO] [stderr]     Checking fixed_decimal v0.1.0
[INFO] [stderr]     Checking tinystr v0.4.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking icu_locid v0.1.0
[INFO] [stderr]     Checking smallstr v0.2.0
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]     Checking icu_provider v0.1.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking icu_plurals v0.1.0
[INFO] [stderr]     Checking icu_datetime v0.1.0
[INFO] [stderr]     Checking icu_provider_fs v0.1.0
[INFO] [stderr]     Checking icu_testdata v0.1.0
[INFO] [stderr]    Compiling icu_locid_macros v0.1.0
[INFO] [stderr]     Checking icu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.55s
[INFO] running `Command { std: "docker" "inspect" "6670c9637c3df439438e8db1ac25e953a4ca42f5aab5ece95de78bb7e6bf7534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6670c9637c3df439438e8db1ac25e953a4ca42f5aab5ece95de78bb7e6bf7534", kill_on_drop: false }`
[INFO] [stdout] 6670c9637c3df439438e8db1ac25e953a4ca42f5aab5ece95de78bb7e6bf7534