[INFO] fetching crate mbox-reader 0.2.0...
[INFO] testing mbox-reader-0.2.0 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940-2
[INFO] extracting crate mbox-reader 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate mbox-reader 0.2.0 on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mbox-reader 0.2.0
[INFO] finished tweaking crates.io crate mbox-reader 0.2.0
[INFO] tweaked toml for crates.io crate mbox-reader 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 766781850ecea10369cab9d32d4e41638e4f0d4e2087a8befe836113e64c8443
[INFO] running `Command { std: "docker" "start" "-a" "766781850ecea10369cab9d32d4e41638e4f0d4e2087a8befe836113e64c8443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "766781850ecea10369cab9d32d4e41638e4f0d4e2087a8befe836113e64c8443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "766781850ecea10369cab9d32d4e41638e4f0d4e2087a8befe836113e64c8443", kill_on_drop: false }`
[INFO] [stdout] 766781850ecea10369cab9d32d4e41638e4f0d4e2087a8befe836113e64c8443
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cf4c2590f949f652c52ebd2720a86b6ca9913fbbd47da79ae458c4fc112880b
[INFO] running `Command { std: "docker" "start" "-a" "9cf4c2590f949f652c52ebd2720a86b6ca9913fbbd47da79ae458c4fc112880b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling mbox-reader v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/lib.rs:126:32
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl<'a> Start<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] 126 |     fn new(bytes: &'a [u8]) -> Start {
[INFO] [stdout]     |                                ^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "9cf4c2590f949f652c52ebd2720a86b6ca9913fbbd47da79ae458c4fc112880b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf4c2590f949f652c52ebd2720a86b6ca9913fbbd47da79ae458c4fc112880b", kill_on_drop: false }`
[INFO] [stdout] 9cf4c2590f949f652c52ebd2720a86b6ca9913fbbd47da79ae458c4fc112880b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3b2b2ec3f0ac9ef8e2d9e7152ae44ec911ac4ec17165aa1943e40b67bfedc53
[INFO] running `Command { std: "docker" "start" "-a" "d3b2b2ec3f0ac9ef8e2d9e7152ae44ec911ac4ec17165aa1943e40b67bfedc53", kill_on_drop: false }`
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/lib.rs:126:32
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl<'a> Start<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] 126 |     fn new(bytes: &'a [u8]) -> Start {
[INFO] [stdout]     |                                ^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mbox-reader v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/lib.rs:126:32
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl<'a> Start<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] 126 |     fn new(bytes: &'a [u8]) -> Start {
[INFO] [stdout]     |                                ^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "d3b2b2ec3f0ac9ef8e2d9e7152ae44ec911ac4ec17165aa1943e40b67bfedc53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b2b2ec3f0ac9ef8e2d9e7152ae44ec911ac4ec17165aa1943e40b67bfedc53", kill_on_drop: false }`
[INFO] [stdout] d3b2b2ec3f0ac9ef8e2d9e7152ae44ec911ac4ec17165aa1943e40b67bfedc53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3634db37062a99d17408c5b6697a2dcb35a4775f3733e2dfa27189d4263e7aa0
[INFO] running `Command { std: "docker" "start" "-a" "3634db37062a99d17408c5b6697a2dcb35a4775f3733e2dfa27189d4263e7aa0", kill_on_drop: false }`
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]    --> src/lib.rs:126:32
[INFO] [stderr]     |
[INFO] [stderr] 125 | impl<'a> Start<'a> {
[INFO] [stderr]     |      -- lifetime `'a` declared here
[INFO] [stderr] 126 |     fn new(bytes: &'a [u8]) -> Start {
[INFO] [stderr]     |                                ^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mbox-reader` (lib) generated 1 warning
[INFO] [stderr] warning: `mbox-reader` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mbox_reader-727e63da997d691e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mbox_reader
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3634db37062a99d17408c5b6697a2dcb35a4775f3733e2dfa27189d4263e7aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3634db37062a99d17408c5b6697a2dcb35a4775f3733e2dfa27189d4263e7aa0", kill_on_drop: false }`
[INFO] [stdout] 3634db37062a99d17408c5b6697a2dcb35a4775f3733e2dfa27189d4263e7aa0