[INFO] fetching crate immutable_string 0.1.1...
[INFO] testing immutable_string-0.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate immutable_string 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate immutable_string 0.1.1
[INFO] finished tweaking crates.io crate immutable_string 0.1.1
[INFO] tweaked toml for crates.io crate immutable_string 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate immutable_string 0.1.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a167a296ea3c3c8f101d5c77838d369fd375ecd1a22459c5949872adc6b73e17
[INFO] running `Command { std: "docker" "start" "-a" "a167a296ea3c3c8f101d5c77838d369fd375ecd1a22459c5949872adc6b73e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a167a296ea3c3c8f101d5c77838d369fd375ecd1a22459c5949872adc6b73e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a167a296ea3c3c8f101d5c77838d369fd375ecd1a22459c5949872adc6b73e17", kill_on_drop: false }`
[INFO] [stdout] a167a296ea3c3c8f101d5c77838d369fd375ecd1a22459c5949872adc6b73e17
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6de7a0d95a4257d16952ae1002353c6d68a215b97a2e25219d33c9acdec66b1f
[INFO] running `Command { std: "docker" "start" "-a" "6de7a0d95a4257d16952ae1002353c6d68a215b97a2e25219d33c9acdec66b1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling weak-table v0.3.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling immutable_string v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "6de7a0d95a4257d16952ae1002353c6d68a215b97a2e25219d33c9acdec66b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de7a0d95a4257d16952ae1002353c6d68a215b97a2e25219d33c9acdec66b1f", kill_on_drop: false }`
[INFO] [stdout] 6de7a0d95a4257d16952ae1002353c6d68a215b97a2e25219d33c9acdec66b1f
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc215c2fe951de10f0170a69c8d22ddc11c3c23620a61f77addfb55f0a751dcc
[INFO] running `Command { std: "docker" "start" "-a" "bc215c2fe951de10f0170a69c8d22ddc11c3c23620a61f77addfb55f0a751dcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling immutable_string v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "bc215c2fe951de10f0170a69c8d22ddc11c3c23620a61f77addfb55f0a751dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc215c2fe951de10f0170a69c8d22ddc11c3c23620a61f77addfb55f0a751dcc", kill_on_drop: false }`
[INFO] [stdout] bc215c2fe951de10f0170a69c8d22ddc11c3c23620a61f77addfb55f0a751dcc
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c4135ebc81d71b6e3e3f85f26f0d1a3039770ac59e8faed9bf3f9f371d2409d1
[INFO] running `Command { std: "docker" "start" "-a" "c4135ebc81d71b6e3e3f85f26f0d1a3039770ac59e8faed9bf3f9f371d2409d1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/immutable_string-29a01f11a1c11a39)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::display ... ok
[INFO] [stdout] test tests::iter_collect ... ok
[INFO] [stdout] test tests::two_insertion_sharing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests immutable_string
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - ImmutableString::use_count (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c4135ebc81d71b6e3e3f85f26f0d1a3039770ac59e8faed9bf3f9f371d2409d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4135ebc81d71b6e3e3f85f26f0d1a3039770ac59e8faed9bf3f9f371d2409d1", kill_on_drop: false }`
[INFO] [stdout] c4135ebc81d71b6e3e3f85f26f0d1a3039770ac59e8faed9bf3f9f371d2409d1