[INFO] fetching crate leb128 0.2.5... [INFO] checking leb128-0.2.5 against master#020bbe46bdf613c0b8211984eaa8e5fe97d6c92d for pr-122960 [INFO] extracting crate leb128 0.2.5 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate leb128 0.2.5 on toolchain 020bbe46bdf613c0b8211984eaa8e5fe97d6c92d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate leb128 0.2.5 [INFO] finished tweaking crates.io crate leb128 0.2.5 [INFO] tweaked toml for crates.io crate leb128 0.2.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate leb128 0.2.5 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" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_core v0.3.1 [INFO] [stderr] Downloaded autocfg v0.1.7 [INFO] [stderr] Downloaded quickcheck v0.8.5 [INFO] [stderr] Downloaded rand_pcg v0.1.2 [INFO] [stderr] Downloaded rand_core v0.4.2 [INFO] [stderr] Downloaded rand_xorshift v0.1.1 [INFO] [stderr] Downloaded rdrand v0.4.0 [INFO] [stderr] Downloaded fuchsia-cprng v0.1.1 [INFO] [stderr] Downloaded rand_jitter v0.1.4 [INFO] [stderr] Downloaded cloudabi v0.0.3 [INFO] [stderr] Downloaded rand_chacha v0.1.1 [INFO] [stderr] Downloaded rand_hc v0.1.0 [INFO] [stderr] Downloaded env_logger v0.6.2 [INFO] [stderr] Downloaded log v0.4.14 [INFO] [stderr] Downloaded memchr v2.4.1 [INFO] [stderr] Downloaded rand v0.6.5 [INFO] [stderr] Downloaded aho-corasick v0.7.18 [INFO] [stderr] Downloaded regex-syntax v0.6.25 [INFO] [stderr] Downloaded libc v0.2.103 [INFO] [stderr] Downloaded regex v1.5.4 [INFO] [stderr] Downloaded rand_isaac v0.1.1 [INFO] [stderr] Downloaded rand_os v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b22198cf626653eb6bcc7f528385d4ac8944232933cc1015b1db72c394e17e40 [INFO] running `Command { std: "docker" "start" "-a" "b22198cf626653eb6bcc7f528385d4ac8944232933cc1015b1db72c394e17e40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b22198cf626653eb6bcc7f528385d4ac8944232933cc1015b1db72c394e17e40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b22198cf626653eb6bcc7f528385d4ac8944232933cc1015b1db72c394e17e40", kill_on_drop: false }` [INFO] [stdout] b22198cf626653eb6bcc7f528385d4ac8944232933cc1015b1db72c394e17e40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c9a190ff08fe9c477a2fdbff4e0e9045021f0d1fe6ac372330131df8024976a [INFO] running `Command { std: "docker" "start" "-a" "6c9a190ff08fe9c477a2fdbff4e0e9045021f0d1fe6ac372330131df8024976a", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking leb128 v0.2.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `leb128` is imported redundantly [INFO] [stdout] --> src/bin/leb128-repl.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use leb128; [INFO] [stdout] | ^^^^^^ the item `leb128` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking quickcheck v0.8.5 [INFO] [stdout] warning: the item `leb128` is imported redundantly [INFO] [stdout] --> src/bin/leb128-repl.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use leb128; [INFO] [stdout] | ^^^^^^ the item `leb128` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `leb128` is imported redundantly [INFO] [stdout] --> benches/bench.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use leb128; [INFO] [stdout] | ^^^^^^ the item `leb128` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `leb128` is imported redundantly [INFO] [stdout] --> tests/quickchecks.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use leb128; [INFO] [stdout] | ^^^^^^ the item `leb128` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `quickcheck` is imported redundantly [INFO] [stdout] --> tests/quickchecks.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use quickcheck; [INFO] [stdout] | ^^^^^^^^^^ the item `quickcheck` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/lib.rs:246:9 [INFO] [stdout] | [INFO] [stdout] 246 | use std; [INFO] [stdout] | ^^^ the item `std` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.51s [INFO] running `Command { std: "docker" "inspect" "6c9a190ff08fe9c477a2fdbff4e0e9045021f0d1fe6ac372330131df8024976a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c9a190ff08fe9c477a2fdbff4e0e9045021f0d1fe6ac372330131df8024976a", kill_on_drop: false }` [INFO] [stdout] 6c9a190ff08fe9c477a2fdbff4e0e9045021f0d1fe6ac372330131df8024976a [INFO] checking leb128-0.2.5 against try#8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde for pr-122960 [INFO] extracting crate leb128 0.2.5 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate leb128 0.2.5 on toolchain 8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate leb128 0.2.5 [INFO] finished tweaking crates.io crate leb128 0.2.5 [INFO] tweaked toml for crates.io crate leb128 0.2.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate leb128 0.2.5 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" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 03a39b2562ea8903662a138a33cd98114cc6b77e305dad3e773471b9494cdb19 [INFO] running `Command { std: "docker" "start" "-a" "03a39b2562ea8903662a138a33cd98114cc6b77e305dad3e773471b9494cdb19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "03a39b2562ea8903662a138a33cd98114cc6b77e305dad3e773471b9494cdb19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03a39b2562ea8903662a138a33cd98114cc6b77e305dad3e773471b9494cdb19", kill_on_drop: false }` [INFO] [stdout] 03a39b2562ea8903662a138a33cd98114cc6b77e305dad3e773471b9494cdb19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8e5ca945edcf8a11e3cd7ac6d9fda930a8832cde" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eec48f2ba4ac80874957c2860b8eb6fc73ad4459f9576eda89ab7f75f36111c8 [INFO] running `Command { std: "docker" "start" "-a" "eec48f2ba4ac80874957c2860b8eb6fc73ad4459f9576eda89ab7f75f36111c8", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "eec48f2ba4ac80874957c2860b8eb6fc73ad4459f9576eda89ab7f75f36111c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eec48f2ba4ac80874957c2860b8eb6fc73ad4459f9576eda89ab7f75f36111c8", kill_on_drop: false }` [INFO] [stdout] eec48f2ba4ac80874957c2860b8eb6fc73ad4459f9576eda89ab7f75f36111c8